Home / 1,054,589.92-1,455,332.84-571,154.78

Finding the Fourth Proportional to 1,054,589.92, 1,455,332.84 and 571,154.78

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Solution

The fourth proportional to 1,054,589.92, 1,455,332.84 and 571,154.78 is: 788,192.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,589.92 : 1,455,332.84 = 571,154.78 : x
  2. Step 2: Convert to fraction form
    1,054,589.92/1,455,332.84 = 571,154.78/x
  3. Step 3: Cross multiply
    1,054,589.92x = 1,455,332.84 × 571,154.78
  4. Step 4: Simplify right side
    1,054,589.92x = 831,220,310,981.36
  5. Step 5: Solve for x
    x = 831,220,310,981.36/1,054,589.92
  6. Step 6: Final answer
    x = 788,192.92

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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.