Home / 840,709.18-1,160,336.88-526,526.59

Finding the Fourth Proportional to 840,709.18, 1,160,336.88 and 526,526.59

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Solution

The fourth proportional to 840,709.18, 1,160,336.88 and 526,526.59 is: 726,705.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,709.18 : 1,160,336.88 = 526,526.59 : x
  2. Step 2: Convert to fraction form
    840,709.18/1,160,336.88 = 526,526.59/x
  3. Step 3: Cross multiply
    840,709.18x = 1,160,336.88 × 526,526.59
  4. Step 4: Simplify right side
    840,709.18x = 610,948,222,810.59
  5. Step 5: Solve for x
    x = 610,948,222,810.59/840,709.18
  6. Step 6: Final answer
    x = 726,705.79

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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.