Home / 1,257,318.81-1,886,047.92-358,691.46

Finding the Fourth Proportional to 1,257,318.81, 1,886,047.92 and 358,691.46

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Solution

The fourth proportional to 1,257,318.81, 1,886,047.92 and 358,691.46 is: 538,057.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,318.81 : 1,886,047.92 = 358,691.46 : x
  2. Step 2: Convert to fraction form
    1,257,318.81/1,886,047.92 = 358,691.46/x
  3. Step 3: Cross multiply
    1,257,318.81x = 1,886,047.92 × 358,691.46
  4. Step 4: Simplify right side
    1,257,318.81x = 676,509,282,054.76
  5. Step 5: Solve for x
    x = 676,509,282,054.76/1,257,318.81
  6. Step 6: Final answer
    x = 538,057.08

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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.