Home / 558,947.16-771,346.86-304,298.28

Finding the Fourth Proportional to 558,947.16, 771,346.86 and 304,298.28

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Solution

The fourth proportional to 558,947.16, 771,346.86 and 304,298.28 is: 419,931.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,947.16 : 771,346.86 = 304,298.28 : x
  2. Step 2: Convert to fraction form
    558,947.16/771,346.86 = 304,298.28/x
  3. Step 3: Cross multiply
    558,947.16x = 771,346.86 × 304,298.28
  4. Step 4: Simplify right side
    558,947.16x = 234,719,522,781.40
  5. Step 5: Solve for x
    x = 234,719,522,781.40/558,947.16
  6. Step 6: Final answer
    x = 419,931.51

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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.