Home / 558,762.08-771,108.02-304,129.76

Finding the Fourth Proportional to 558,762.08, 771,108.02 and 304,129.76

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Solution

The fourth proportional to 558,762.08, 771,108.02 and 304,129.76 is: 419,707.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,762.08 : 771,108.02 = 304,129.76 : x
  2. Step 2: Convert to fraction form
    558,762.08/771,108.02 = 304,129.76/x
  3. Step 3: Cross multiply
    558,762.08x = 771,108.02 × 304,129.76
  4. Step 4: Simplify right side
    558,762.08x = 234,516,897,056.68
  5. Step 5: Solve for x
    x = 234,516,897,056.68/558,762.08
  6. Step 6: Final answer
    x = 419,707.97

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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.