Home / 1,138,711.20-1,708,066.80-464,568.45

Finding the Fourth Proportional to 1,138,711.20, 1,708,066.80 and 464,568.45

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Solution

The fourth proportional to 1,138,711.20, 1,708,066.80 and 464,568.45 is: 696,852.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,711.20 : 1,708,066.80 = 464,568.45 : x
  2. Step 2: Convert to fraction form
    1,138,711.20/1,708,066.80 = 464,568.45/x
  3. Step 3: Cross multiply
    1,138,711.20x = 1,708,066.80 × 464,568.45
  4. Step 4: Simplify right side
    1,138,711.20x = 793,513,945,772.46
  5. Step 5: Solve for x
    x = 793,513,945,772.46/1,138,711.20
  6. Step 6: Final answer
    x = 696,852.68

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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.