Home / 817,285.02-1,127,755.35-454,617.24

Finding the Fourth Proportional to 817,285.02, 1,127,755.35 and 454,617.24

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Solution

The fourth proportional to 817,285.02, 1,127,755.35 and 454,617.24 is: 627,317.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,285.02 : 1,127,755.35 = 454,617.24 : x
  2. Step 2: Convert to fraction form
    817,285.02/1,127,755.35 = 454,617.24/x
  3. Step 3: Cross multiply
    817,285.02x = 1,127,755.35 × 454,617.24
  4. Step 4: Simplify right side
    817,285.02x = 512,697,024,612.23
  5. Step 5: Solve for x
    x = 512,697,024,612.23/817,285.02
  6. Step 6: Final answer
    x = 627,317.29

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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.