Home / 906,563.61-1,251,087.53-498,696.77

Finding the Fourth Proportional to 906,563.61, 1,251,087.53 and 498,696.77

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Solution

The fourth proportional to 906,563.61, 1,251,087.53 and 498,696.77 is: 688,217.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,563.61 : 1,251,087.53 = 498,696.77 : x
  2. Step 2: Convert to fraction form
    906,563.61/1,251,087.53 = 498,696.77/x
  3. Step 3: Cross multiply
    906,563.61x = 1,251,087.53 × 498,696.77
  4. Step 4: Simplify right side
    906,563.61x = 623,913,303,795.15
  5. Step 5: Solve for x
    x = 623,913,303,795.15/906,563.61
  6. Step 6: Final answer
    x = 688,217.90

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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.