Home / 906,705.60-1,251,204.27-498,741.59

Finding the Fourth Proportional to 906,705.60, 1,251,204.27 and 498,741.59

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Solution

The fourth proportional to 906,705.60, 1,251,204.27 and 498,741.59 is: 688,236.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,705.60 : 1,251,204.27 = 498,741.59 : x
  2. Step 2: Convert to fraction form
    906,705.60/1,251,204.27 = 498,741.59/x
  3. Step 3: Cross multiply
    906,705.60x = 1,251,204.27 × 498,741.59
  4. Step 4: Simplify right side
    906,705.60x = 624,027,600,778.57
  5. Step 5: Solve for x
    x = 624,027,600,778.57/906,705.60
  6. Step 6: Final answer
    x = 688,236.18

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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.