Home / 1,427,206.34-2,140,701.85-454,531.32

Finding the Fourth Proportional to 1,427,206.34, 2,140,701.85 and 454,531.32

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Solution

The fourth proportional to 1,427,206.34, 2,140,701.85 and 454,531.32 is: 681,762.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,427,206.34 : 2,140,701.85 = 454,531.32 : x
  2. Step 2: Convert to fraction form
    1,427,206.34/2,140,701.85 = 454,531.32/x
  3. Step 3: Cross multiply
    1,427,206.34x = 2,140,701.85 × 454,531.32
  4. Step 4: Simplify right side
    1,427,206.34x = 973,016,037,606.94
  5. Step 5: Solve for x
    x = 973,016,037,606.94/1,427,206.34
  6. Step 6: Final answer
    x = 681,762.70

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.