Home / 817,103.93-1,127,612.02-449,585.86

Finding the Fourth Proportional to 817,103.93, 1,127,612.02 and 449,585.86

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Solution

The fourth proportional to 817,103.93, 1,127,612.02 and 449,585.86 is: 620,433.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,103.93 : 1,127,612.02 = 449,585.86 : x
  2. Step 2: Convert to fraction form
    817,103.93/1,127,612.02 = 449,585.86/x
  3. Step 3: Cross multiply
    817,103.93x = 1,127,612.02 × 449,585.86
  4. Step 4: Simplify right side
    817,103.93x = 506,958,421,453.10
  5. Step 5: Solve for x
    x = 506,958,421,453.10/817,103.93
  6. Step 6: Final answer
    x = 620,433.22

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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.