Home / 1,127,870.40-1,691,129.88-359,035.95

Finding the Fourth Proportional to 1,127,870.40, 1,691,129.88 and 359,035.95

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Solution

The fourth proportional to 1,127,870.40, 1,691,129.88 and 359,035.95 is: 538,338.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,870.40 : 1,691,129.88 = 359,035.95 : x
  2. Step 2: Convert to fraction form
    1,127,870.40/1,691,129.88 = 359,035.95/x
  3. Step 3: Cross multiply
    1,127,870.40x = 1,691,129.88 × 359,035.95
  4. Step 4: Simplify right side
    1,127,870.40x = 607,176,423,039.19
  5. Step 5: Solve for x
    x = 607,176,423,039.19/1,127,870.40
  6. Step 6: Final answer
    x = 538,338.82

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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.