Home / 922,126.83-1,272,540.56-514,254.44

Finding the Fourth Proportional to 922,126.83, 1,272,540.56 and 514,254.44

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Solution

The fourth proportional to 922,126.83, 1,272,540.56 and 514,254.44 is: 709,674.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,126.83 : 1,272,540.56 = 514,254.44 : x
  2. Step 2: Convert to fraction form
    922,126.83/1,272,540.56 = 514,254.44/x
  3. Step 3: Cross multiply
    922,126.83x = 1,272,540.56 × 514,254.44
  4. Step 4: Simplify right side
    922,126.83x = 654,409,624,126.11
  5. Step 5: Solve for x
    x = 654,409,624,126.11/922,126.83
  6. Step 6: Final answer
    x = 709,674.20

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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.