Home / 723,279.65-997,433.49-432,841.79

Finding the Fourth Proportional to 723,279.65, 997,433.49 and 432,841.79

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Solution

The fourth proportional to 723,279.65, 997,433.49 and 432,841.79 is: 596,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,279.65 : 997,433.49 = 432,841.79 : x
  2. Step 2: Convert to fraction form
    723,279.65/997,433.49 = 432,841.79/x
  3. Step 3: Cross multiply
    723,279.65x = 997,433.49 × 432,841.79
  4. Step 4: Simplify right side
    723,279.65x = 431,730,901,334.29
  5. Step 5: Solve for x
    x = 431,730,901,334.29/723,279.65
  6. Step 6: Final answer
    x = 596,907.30

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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.