Home / 1,257,352.61-1,886,310.02-458,634.12

Finding the Fourth Proportional to 1,257,352.61, 1,886,310.02 and 458,634.12

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Solution

The fourth proportional to 1,257,352.61, 1,886,310.02 and 458,634.12 is: 688,053.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,352.61 : 1,886,310.02 = 458,634.12 : x
  2. Step 2: Convert to fraction form
    1,257,352.61/1,886,310.02 = 458,634.12/x
  3. Step 3: Cross multiply
    1,257,352.61x = 1,886,310.02 × 458,634.12
  4. Step 4: Simplify right side
    1,257,352.61x = 865,126,133,776.71
  5. Step 5: Solve for x
    x = 865,126,133,776.71/1,257,352.61
  6. Step 6: Final answer
    x = 688,053.72

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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.