Home / 672,419.68-927,939.51-382,031.76

Finding the Fourth Proportional to 672,419.68, 927,939.51 and 382,031.76

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Solution

The fourth proportional to 672,419.68, 927,939.51 and 382,031.76 is: 527,204.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,419.68 : 927,939.51 = 382,031.76 : x
  2. Step 2: Convert to fraction form
    672,419.68/927,939.51 = 382,031.76/x
  3. Step 3: Cross multiply
    672,419.68x = 927,939.51 × 382,031.76
  4. Step 4: Simplify right side
    672,419.68x = 354,502,364,178.84
  5. Step 5: Solve for x
    x = 354,502,364,178.84/672,419.68
  6. Step 6: Final answer
    x = 527,204.03

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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.