Home / 672,484.12-927,503.09-430,789.16

Finding the Fourth Proportional to 672,484.12, 927,503.09 and 430,789.16

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Solution

The fourth proportional to 672,484.12, 927,503.09 and 430,789.16 is: 594,152.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,484.12 : 927,503.09 = 430,789.16 : x
  2. Step 2: Convert to fraction form
    672,484.12/927,503.09 = 430,789.16/x
  3. Step 3: Cross multiply
    672,484.12x = 927,503.09 × 430,789.16
  4. Step 4: Simplify right side
    672,484.12x = 399,558,278,818.78
  5. Step 5: Solve for x
    x = 399,558,278,818.78/672,484.12
  6. Step 6: Final answer
    x = 594,152.74

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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.