Home / 918,624.97-1,267,807.31-510,767.29

Finding the Fourth Proportional to 918,624.97, 1,267,807.31 and 510,767.29

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Solution

The fourth proportional to 918,624.97, 1,267,807.31 and 510,767.29 is: 704,917.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,624.97 : 1,267,807.31 = 510,767.29 : x
  2. Step 2: Convert to fraction form
    918,624.97/1,267,807.31 = 510,767.29/x
  3. Step 3: Cross multiply
    918,624.97x = 1,267,807.31 × 510,767.29
  4. Step 4: Simplify right side
    918,624.97x = 647,554,501,417.05
  5. Step 5: Solve for x
    x = 647,554,501,417.05/918,624.97
  6. Step 6: Final answer
    x = 704,917.16

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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.