Home / 626,962.33-865,472.90-423,289.18

Finding the Fourth Proportional to 626,962.33, 865,472.90 and 423,289.18

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Solution

The fourth proportional to 626,962.33, 865,472.90 and 423,289.18 is: 584,317.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,962.33 : 865,472.90 = 423,289.18 : x
  2. Step 2: Convert to fraction form
    626,962.33/865,472.90 = 423,289.18/x
  3. Step 3: Cross multiply
    626,962.33x = 865,472.90 × 423,289.18
  4. Step 4: Simplify right side
    626,962.33x = 366,345,314,153.22
  5. Step 5: Solve for x
    x = 366,345,314,153.22/626,962.33
  6. Step 6: Final answer
    x = 584,317.90

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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.