Home / 869,673.90-1,304,510.85-238,586.70

Finding the Fourth Proportional to 869,673.90, 1,304,510.85 and 238,586.70

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Solution

The fourth proportional to 869,673.90, 1,304,510.85 and 238,586.70 is: 357,880.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,673.90 : 1,304,510.85 = 238,586.70 : x
  2. Step 2: Convert to fraction form
    869,673.90/1,304,510.85 = 238,586.70/x
  3. Step 3: Cross multiply
    869,673.90x = 1,304,510.85 × 238,586.70
  4. Step 4: Simplify right side
    869,673.90x = 311,238,938,815.70
  5. Step 5: Solve for x
    x = 311,238,938,815.70/869,673.90
  6. Step 6: Final answer
    x = 357,880.05

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Double scale
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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.