Home / 840,710.18-1,160,338.26-526,527.59

Finding the Fourth Proportional to 840,710.18, 1,160,338.26 and 526,527.59

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Solution

The fourth proportional to 840,710.18, 1,160,338.26 and 526,527.59 is: 726,707.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,710.18 : 1,160,338.26 = 526,527.59 : x
  2. Step 2: Convert to fraction form
    840,710.18/1,160,338.26 = 526,527.59/x
  3. Step 3: Cross multiply
    840,710.18x = 1,160,338.26 × 526,527.59
  4. Step 4: Simplify right side
    840,710.18x = 610,950,107,622.59
  5. Step 5: Solve for x
    x = 610,950,107,622.59/840,710.18
  6. Step 6: Final answer
    x = 726,707.16

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Double scale
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1.5x scale

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.