Home / 1,119,574.87-1,544,526.78-711,458.20

Finding the Fourth Proportional to 1,119,574.87, 1,544,526.78 and 711,458.20

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Solution

The fourth proportional to 1,119,574.87, 1,544,526.78 and 711,458.20 is: 981,503.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,574.87 : 1,544,526.78 = 711,458.20 : x
  2. Step 2: Convert to fraction form
    1,119,574.87/1,544,526.78 = 711,458.20/x
  3. Step 3: Cross multiply
    1,119,574.87x = 1,544,526.78 × 711,458.20
  4. Step 4: Simplify right side
    1,119,574.87x = 1,098,866,235,027.96
  5. Step 5: Solve for x
    x = 1,098,866,235,027.96/1,119,574.87
  6. Step 6: Final answer
    x = 981,503.13

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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.