Home / 1,011,960.32-1,396,534.20-553,100.48

Finding the Fourth Proportional to 1,011,960.32, 1,396,534.20 and 553,100.48

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Solution

The fourth proportional to 1,011,960.32, 1,396,534.20 and 553,100.48 is: 763,294.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,960.32 : 1,396,534.20 = 553,100.48 : x
  2. Step 2: Convert to fraction form
    1,011,960.32/1,396,534.20 = 553,100.48/x
  3. Step 3: Cross multiply
    1,011,960.32x = 1,396,534.20 × 553,100.48
  4. Step 4: Simplify right side
    1,011,960.32x = 772,423,736,356.42
  5. Step 5: Solve for x
    x = 772,423,736,356.42/1,011,960.32
  6. Step 6: Final answer
    x = 763,294.49

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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.