Home / 626,972.36-865,486.56-423,299.02

Finding the Fourth Proportional to 626,972.36, 865,486.56 and 423,299.02

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Solution

The fourth proportional to 626,972.36, 865,486.56 and 423,299.02 is: 584,331.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,972.36 : 865,486.56 = 423,299.02 : x
  2. Step 2: Convert to fraction form
    626,972.36/865,486.56 = 423,299.02/x
  3. Step 3: Cross multiply
    626,972.36x = 865,486.56 × 423,299.02
  4. Step 4: Simplify right side
    626,972.36x = 366,359,612,671.17
  5. Step 5: Solve for x
    x = 366,359,612,671.17/626,972.36
  6. Step 6: Final answer
    x = 584,331.36

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.