Home / 563,114.16-777,097.68-308,474.40

Finding the Fourth Proportional to 563,114.16, 777,097.68 and 308,474.40

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Solution

The fourth proportional to 563,114.16, 777,097.68 and 308,474.40 is: 425,694.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    563,114.16 : 777,097.68 = 308,474.40 : x
  2. Step 2: Convert to fraction form
    563,114.16/777,097.68 = 308,474.40/x
  3. Step 3: Cross multiply
    563,114.16x = 777,097.68 × 308,474.40
  4. Step 4: Simplify right side
    563,114.16x = 239,714,740,579.39
  5. Step 5: Solve for x
    x = 239,714,740,579.39/563,114.16
  6. Step 6: Final answer
    x = 425,694.75

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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.