Home / 738,397.06-1,019,080.64-432,590.11

Finding the Fourth Proportional to 738,397.06, 1,019,080.64 and 432,590.11

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Solution

The fourth proportional to 738,397.06, 1,019,080.64 and 432,590.11 is: 597,028.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,397.06 : 1,019,080.64 = 432,590.11 : x
  2. Step 2: Convert to fraction form
    738,397.06/1,019,080.64 = 432,590.11/x
  3. Step 3: Cross multiply
    738,397.06x = 1,019,080.64 × 432,590.11
  4. Step 4: Simplify right side
    738,397.06x = 440,844,198,898.12
  5. Step 5: Solve for x
    x = 440,844,198,898.12/738,397.06
  6. Step 6: Final answer
    x = 597,028.65

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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.