Home / 928,575.12-1,393,256.34-507,358.92

Finding the Fourth Proportional to 928,575.12, 1,393,256.34 and 507,358.92

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Solution

The fourth proportional to 928,575.12, 1,393,256.34 and 507,358.92 is: 761,253.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,575.12 : 1,393,256.34 = 507,358.92 : x
  2. Step 2: Convert to fraction form
    928,575.12/1,393,256.34 = 507,358.92/x
  3. Step 3: Cross multiply
    928,575.12x = 1,393,256.34 × 507,358.92
  4. Step 4: Simplify right side
    928,575.12x = 706,881,031,945.55
  5. Step 5: Solve for x
    x = 706,881,031,945.55/928,575.12
  6. Step 6: Final answer
    x = 761,253.47

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Double scale
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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.