Home / 769,712.61-1,061,511.03-497,494.29

Finding the Fourth Proportional to 769,712.61, 1,061,511.03 and 497,494.29

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Solution

The fourth proportional to 769,712.61, 1,061,511.03 and 497,494.29 is: 686,094.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,712.61 : 1,061,511.03 = 497,494.29 : x
  2. Step 2: Convert to fraction form
    769,712.61/1,061,511.03 = 497,494.29/x
  3. Step 3: Cross multiply
    769,712.61x = 1,061,511.03 × 497,494.29
  4. Step 4: Simplify right side
    769,712.61x = 528,095,676,197.02
  5. Step 5: Solve for x
    x = 528,095,676,197.02/769,712.61
  6. Step 6: Final answer
    x = 686,094.61

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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.