Home / 772,936.10-1,159,404.15-437,012.90

Finding the Fourth Proportional to 772,936.10, 1,159,404.15 and 437,012.90

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Solution

The fourth proportional to 772,936.10, 1,159,404.15 and 437,012.90 is: 655,519.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,936.10 : 1,159,404.15 = 437,012.90 : x
  2. Step 2: Convert to fraction form
    772,936.10/1,159,404.15 = 437,012.90/x
  3. Step 3: Cross multiply
    772,936.10x = 1,159,404.15 × 437,012.90
  4. Step 4: Simplify right side
    772,936.10x = 506,674,569,863.54
  5. Step 5: Solve for x
    x = 506,674,569,863.54/772,936.10
  6. Step 6: Final answer
    x = 655,519.35

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.