Home / 880,067.81-1,214,285.45-498,094.58

Finding the Fourth Proportional to 880,067.81, 1,214,285.45 and 498,094.58

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Solution

The fourth proportional to 880,067.81, 1,214,285.45 and 498,094.58 is: 687,252.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,067.81 : 1,214,285.45 = 498,094.58 : x
  2. Step 2: Convert to fraction form
    880,067.81/1,214,285.45 = 498,094.58/x
  3. Step 3: Cross multiply
    880,067.81x = 1,214,285.45 × 498,094.58
  4. Step 4: Simplify right side
    880,067.81x = 604,828,992,655.96
  5. Step 5: Solve for x
    x = 604,828,992,655.96/880,067.81
  6. Step 6: Final answer
    x = 687,252.72

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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.