Home / 674,341.53-1,011,658.10-358,752.57

Finding the Fourth Proportional to 674,341.53, 1,011,658.10 and 358,752.57

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Solution

The fourth proportional to 674,341.53, 1,011,658.10 and 358,752.57 is: 538,206.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,341.53 : 1,011,658.10 = 358,752.57 : x
  2. Step 2: Convert to fraction form
    674,341.53/1,011,658.10 = 358,752.57/x
  3. Step 3: Cross multiply
    674,341.53x = 1,011,658.10 × 358,752.57
  4. Step 4: Simplify right side
    674,341.53x = 362,934,943,336.32
  5. Step 5: Solve for x
    x = 362,934,943,336.32/674,341.53
  6. Step 6: Final answer
    x = 538,206.42

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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.