Home / 1,913,557.57-2,870,264.57-474,245.71

Finding the Fourth Proportional to 1,913,557.57, 2,870,264.57 and 474,245.71

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Solution

The fourth proportional to 1,913,557.57, 2,870,264.57 and 474,245.71 is: 711,350.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,913,557.57 : 2,870,264.57 = 474,245.71 : x
  2. Step 2: Convert to fraction form
    1,913,557.57/2,870,264.57 = 474,245.71/x
  3. Step 3: Cross multiply
    1,913,557.57x = 2,870,264.57 × 474,245.71
  4. Step 4: Simplify right side
    1,913,557.57x = 1,361,210,652,897.45
  5. Step 5: Solve for x
    x = 1,361,210,652,897.45/1,913,557.57
  6. Step 6: Final answer
    x = 711,350.77

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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.