Home / 1,513,221.60-2,088,260-834,182.40

Finding the Fourth Proportional to 1,513,221.60, 2,088,260 and 834,182.40

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Solution

The fourth proportional to 1,513,221.60, 2,088,260 and 834,182.40 is: 1,151,179.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,221.60 : 2,088,260 = 834,182.40 : x
  2. Step 2: Convert to fraction form
    1,513,221.60/2,088,260 = 834,182.40/x
  3. Step 3: Cross multiply
    1,513,221.60x = 2,088,260 × 834,182.40
  4. Step 4: Simplify right side
    1,513,221.60x = 1,741,989,738,624
  5. Step 5: Solve for x
    x = 1,741,989,738,624/1,513,221.60
  6. Step 6: Final answer
    x = 1,151,179.54

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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.