Home / 971,061.71-1,340,070.87-563,406.26

Finding the Fourth Proportional to 971,061.71, 1,340,070.87 and 563,406.26

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Solution

The fourth proportional to 971,061.71, 1,340,070.87 and 563,406.26 is: 777,503.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,061.71 : 1,340,070.87 = 563,406.26 : x
  2. Step 2: Convert to fraction form
    971,061.71/1,340,070.87 = 563,406.26/x
  3. Step 3: Cross multiply
    971,061.71x = 1,340,070.87 × 563,406.26
  4. Step 4: Simplify right side
    971,061.71x = 755,004,310,301.29
  5. Step 5: Solve for x
    x = 755,004,310,301.29/971,061.71
  6. Step 6: Final answer
    x = 777,503.95

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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.