Home / 892,417.11-1,231,528.80-484,510.86

Finding the Fourth Proportional to 892,417.11, 1,231,528.80 and 484,510.86

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Solution

The fourth proportional to 892,417.11, 1,231,528.80 and 484,510.86 is: 668,621.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,417.11 : 1,231,528.80 = 484,510.86 : x
  2. Step 2: Convert to fraction form
    892,417.11/1,231,528.80 = 484,510.86/x
  3. Step 3: Cross multiply
    892,417.11x = 1,231,528.80 × 484,510.86
  4. Step 4: Simplify right side
    892,417.11x = 596,689,078,002.77
  5. Step 5: Solve for x
    x = 596,689,078,002.77/892,417.11
  6. Step 6: Final answer
    x = 668,621.29

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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.