Home / 834,947.32-1,152,151.14-472,404.28

Finding the Fourth Proportional to 834,947.32, 1,152,151.14 and 472,404.28

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Solution

The fourth proportional to 834,947.32, 1,152,151.14 and 472,404.28 is: 651,874.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,947.32 : 1,152,151.14 = 472,404.28 : x
  2. Step 2: Convert to fraction form
    834,947.32/1,152,151.14 = 472,404.28/x
  3. Step 3: Cross multiply
    834,947.32x = 1,152,151.14 × 472,404.28
  4. Step 4: Simplify right side
    834,947.32x = 544,281,129,742.88
  5. Step 5: Solve for x
    x = 544,281,129,742.88/834,947.32
  6. Step 6: Final answer
    x = 651,874.81

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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.