Home / 734,631.32-1,013,781.12-412,335.56

Finding the Fourth Proportional to 734,631.32, 1,013,781.12 and 412,335.56

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Solution

The fourth proportional to 734,631.32, 1,013,781.12 and 412,335.56 is: 569,017.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,631.32 : 1,013,781.12 = 412,335.56 : x
  2. Step 2: Convert to fraction form
    734,631.32/1,013,781.12 = 412,335.56/x
  3. Step 3: Cross multiply
    734,631.32x = 1,013,781.12 × 412,335.56
  4. Step 4: Simplify right side
    734,631.32x = 418,018,006,820.82
  5. Step 5: Solve for x
    x = 418,018,006,820.82/734,631.32
  6. Step 6: Final answer
    x = 569,017.40

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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.