Home / 971,092.19-1,340,112.95-563,436.80

Finding the Fourth Proportional to 971,092.19, 1,340,112.95 and 563,436.80

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Solution

The fourth proportional to 971,092.19, 1,340,112.95 and 563,436.80 is: 777,546.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,092.19 : 1,340,112.95 = 563,436.80 : x
  2. Step 2: Convert to fraction form
    971,092.19/1,340,112.95 = 563,436.80/x
  3. Step 3: Cross multiply
    971,092.19x = 1,340,112.95 × 563,436.80
  4. Step 4: Simplify right side
    971,092.19x = 755,068,942,668.81
  5. Step 5: Solve for x
    x = 755,068,942,668.81/971,092.19
  6. Step 6: Final answer
    x = 777,546.10

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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.