Home / 829,009.30-1,243,513.95-577,066.90

Finding the Fourth Proportional to 829,009.30, 1,243,513.95 and 577,066.90

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Solution

The fourth proportional to 829,009.30, 1,243,513.95 and 577,066.90 is: 865,600.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,009.30 : 1,243,513.95 = 577,066.90 : x
  2. Step 2: Convert to fraction form
    829,009.30/1,243,513.95 = 577,066.90/x
  3. Step 3: Cross multiply
    829,009.30x = 1,243,513.95 × 577,066.90
  4. Step 4: Simplify right side
    829,009.30x = 717,590,740,233.26
  5. Step 5: Solve for x
    x = 717,590,740,233.26/829,009.30
  6. Step 6: Final answer
    x = 865,600.35

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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.