Home / 438,615.24-657,964.06-123,070.76

Finding the Fourth Proportional to 438,615.24, 657,964.06 and 123,070.76

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Solution

The fourth proportional to 438,615.24, 657,964.06 and 123,070.76 is: 184,617.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,615.24 : 657,964.06 = 123,070.76 : x
  2. Step 2: Convert to fraction form
    438,615.24/657,964.06 = 123,070.76/x
  3. Step 3: Cross multiply
    438,615.24x = 657,964.06 × 123,070.76
  4. Step 4: Simplify right side
    438,615.24x = 80,976,136,916.89
  5. Step 5: Solve for x
    x = 80,976,136,916.89/438,615.24
  6. Step 6: Final answer
    x = 184,617.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.