Home / 829,014.30-1,243,521.45-577,071.90

Finding the Fourth Proportional to 829,014.30, 1,243,521.45 and 577,071.90

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Solution

The fourth proportional to 829,014.30, 1,243,521.45 and 577,071.90 is: 865,607.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,014.30 : 1,243,521.45 = 577,071.90 : x
  2. Step 2: Convert to fraction form
    829,014.30/1,243,521.45 = 577,071.90/x
  3. Step 3: Cross multiply
    829,014.30x = 1,243,521.45 × 577,071.90
  4. Step 4: Simplify right side
    829,014.30x = 717,601,285,842.26
  5. Step 5: Solve for x
    x = 717,601,285,842.26/829,014.30
  6. Step 6: Final answer
    x = 865,607.85

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.