Home / 731,056.90-1,096,585.35-257,584.90

Finding the Fourth Proportional to 731,056.90, 1,096,585.35 and 257,584.90

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Solution

The fourth proportional to 731,056.90, 1,096,585.35 and 257,584.90 is: 386,377.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,056.90 : 1,096,585.35 = 257,584.90 : x
  2. Step 2: Convert to fraction form
    731,056.90/1,096,585.35 = 257,584.90/x
  3. Step 3: Cross multiply
    731,056.90x = 1,096,585.35 × 257,584.90
  4. Step 4: Simplify right side
    731,056.90x = 282,463,827,721.22
  5. Step 5: Solve for x
    x = 282,463,827,721.22/731,056.90
  6. Step 6: Final answer
    x = 386,377.35

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Half scale
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Double scale
Find fourth proportional to 731,057.90, 1,096,586.85 and 257,585.90
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.