Home / 838,296.91-1,257,534.90-358,574.34

Finding the Fourth Proportional to 838,296.91, 1,257,534.90 and 358,574.34

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Solution

The fourth proportional to 838,296.91, 1,257,534.90 and 358,574.34 is: 537,899.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,296.91 : 1,257,534.90 = 358,574.34 : x
  2. Step 2: Convert to fraction form
    838,296.91/1,257,534.90 = 358,574.34/x
  3. Step 3: Cross multiply
    838,296.91x = 1,257,534.90 × 358,574.34
  4. Step 4: Simplify right side
    838,296.91x = 450,919,746,794.47
  5. Step 5: Solve for x
    x = 450,919,746,794.47/838,296.91
  6. Step 6: Final answer
    x = 537,899.81

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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.