Home / 808,513.34-1,115,188.97-655,557.98

Finding the Fourth Proportional to 808,513.34, 1,115,188.97 and 655,557.98

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Solution

The fourth proportional to 808,513.34, 1,115,188.97 and 655,557.98 is: 904,216.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,513.34 : 1,115,188.97 = 655,557.98 : x
  2. Step 2: Convert to fraction form
    808,513.34/1,115,188.97 = 655,557.98/x
  3. Step 3: Cross multiply
    808,513.34x = 1,115,188.97 × 655,557.98
  4. Step 4: Simplify right side
    808,513.34x = 731,071,019,637.75
  5. Step 5: Solve for x
    x = 731,071,019,637.75/808,513.34
  6. Step 6: Final answer
    x = 904,216.40

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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.