Home / 776,566.17-1,071,733.68-454,255.83

Finding the Fourth Proportional to 776,566.17, 1,071,733.68 and 454,255.83

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Solution

The fourth proportional to 776,566.17, 1,071,733.68 and 454,255.83 is: 626,915.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,566.17 : 1,071,733.68 = 454,255.83 : x
  2. Step 2: Convert to fraction form
    776,566.17/1,071,733.68 = 454,255.83/x
  3. Step 3: Cross multiply
    776,566.17x = 1,071,733.68 × 454,255.83
  4. Step 4: Simplify right side
    776,566.17x = 486,841,272,347.35
  5. Step 5: Solve for x
    x = 486,841,272,347.35/776,566.17
  6. Step 6: Final answer
    x = 626,915.38

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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.