Home / 558,784.16-771,007.92-539,581.76

Finding the Fourth Proportional to 558,784.16, 771,007.92 and 539,581.76

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Solution

The fourth proportional to 558,784.16, 771,007.92 and 539,581.76 is: 744,512.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,784.16 : 771,007.92 = 539,581.76 : x
  2. Step 2: Convert to fraction form
    558,784.16/771,007.92 = 539,581.76/x
  3. Step 3: Cross multiply
    558,784.16x = 771,007.92 × 539,581.76
  4. Step 4: Simplify right side
    558,784.16x = 416,021,810,447.54
  5. Step 5: Solve for x
    x = 416,021,810,447.54/558,784.16
  6. Step 6: Final answer
    x = 744,512.53

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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.