Home / 1,653,679.60-2,281,937.88-928,470.40

Finding the Fourth Proportional to 1,653,679.60, 2,281,937.88 and 928,470.40

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Solution

The fourth proportional to 1,653,679.60, 2,281,937.88 and 928,470.40 is: 1,281,210.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,653,679.60 : 2,281,937.88 = 928,470.40 : x
  2. Step 2: Convert to fraction form
    1,653,679.60/2,281,937.88 = 928,470.40/x
  3. Step 3: Cross multiply
    1,653,679.60x = 2,281,937.88 × 928,470.40
  4. Step 4: Simplify right side
    1,653,679.60x = 2,118,711,776,218.75
  5. Step 5: Solve for x
    x = 2,118,711,776,218.75/1,653,679.60
  6. Step 6: Final answer
    x = 1,281,210.57

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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.