Home / 626,938.86-865,440.46-423,265.65

Finding the Fourth Proportional to 626,938.86, 865,440.46 and 423,265.65

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Solution

The fourth proportional to 626,938.86, 865,440.46 and 423,265.65 is: 584,285.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,938.86 : 865,440.46 = 423,265.65 : x
  2. Step 2: Convert to fraction form
    626,938.86/865,440.46 = 423,265.65/x
  3. Step 3: Cross multiply
    626,938.86x = 865,440.46 × 423,265.65
  4. Step 4: Simplify right side
    626,938.86x = 366,311,218,838.20
  5. Step 5: Solve for x
    x = 366,311,218,838.20/626,938.86
  6. Step 6: Final answer
    x = 584,285.39

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Double scale
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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.