Home / 672,944.68-928,630.87-401,006.52

Finding the Fourth Proportional to 672,944.68, 928,630.87 and 401,006.52

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Solution

The fourth proportional to 672,944.68, 928,630.87 and 401,006.52 is: 553,369.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,944.68 : 928,630.87 = 401,006.52 : x
  2. Step 2: Convert to fraction form
    672,944.68/928,630.87 = 401,006.52/x
  3. Step 3: Cross multiply
    672,944.68x = 928,630.87 × 401,006.52
  4. Step 4: Simplify right side
    672,944.68x = 372,387,033,543.27
  5. Step 5: Solve for x
    x = 372,387,033,543.27/672,944.68
  6. Step 6: Final answer
    x = 553,369.46

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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.