Home / 626,938.96-865,440.60-423,265.74

Finding the Fourth Proportional to 626,938.96, 865,440.60 and 423,265.74

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Solution

The fourth proportional to 626,938.96, 865,440.60 and 423,265.74 is: 584,285.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,938.96 : 865,440.60 = 423,265.74 : x
  2. Step 2: Convert to fraction form
    626,938.96/865,440.60 = 423,265.74/x
  3. Step 3: Cross multiply
    626,938.96x = 865,440.60 × 423,265.74
  4. Step 4: Simplify right side
    626,938.96x = 366,311,357,643.20
  5. Step 5: Solve for x
    x = 366,311,357,643.20/626,938.96
  6. Step 6: Final answer
    x = 584,285.52

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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.