Home / 883,553.40-1,325,330.10-434,343.60

Finding the Fourth Proportional to 883,553.40, 1,325,330.10 and 434,343.60

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Solution

The fourth proportional to 883,553.40, 1,325,330.10 and 434,343.60 is: 651,515.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,553.40 : 1,325,330.10 = 434,343.60 : x
  2. Step 2: Convert to fraction form
    883,553.40/1,325,330.10 = 434,343.60/x
  3. Step 3: Cross multiply
    883,553.40x = 1,325,330.10 × 434,343.60
  4. Step 4: Simplify right side
    883,553.40x = 575,648,646,822.36
  5. Step 5: Solve for x
    x = 575,648,646,822.36/883,553.40
  6. Step 6: Final answer
    x = 651,515.40

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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.