Home / 1,127,064.48-1,555,340.16-617,765.76

Finding the Fourth Proportional to 1,127,064.48, 1,555,340.16 and 617,765.76

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Solution

The fourth proportional to 1,127,064.48, 1,555,340.16 and 617,765.76 is: 852,511.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,064.48 : 1,555,340.16 = 617,765.76 : x
  2. Step 2: Convert to fraction form
    1,127,064.48/1,555,340.16 = 617,765.76/x
  3. Step 3: Cross multiply
    1,127,064.48x = 1,555,340.16 × 617,765.76
  4. Step 4: Simplify right side
    1,127,064.48x = 960,835,896,000.92
  5. Step 5: Solve for x
    x = 960,835,896,000.92/1,127,064.48
  6. Step 6: Final answer
    x = 852,511.91

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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.