Home / 817,752.01-1,128,497.82-455,168.11

Finding the Fourth Proportional to 817,752.01, 1,128,497.82 and 455,168.11

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Solution

The fourth proportional to 817,752.01, 1,128,497.82 and 455,168.11 is: 628,132.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,752.01 : 1,128,497.82 = 455,168.11 : x
  2. Step 2: Convert to fraction form
    817,752.01/1,128,497.82 = 455,168.11/x
  3. Step 3: Cross multiply
    817,752.01x = 1,128,497.82 × 455,168.11
  4. Step 4: Simplify right side
    817,752.01x = 513,656,219,868.52
  5. Step 5: Solve for x
    x = 513,656,219,868.52/817,752.01
  6. Step 6: Final answer
    x = 628,132.02

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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.