Home / 1,200,740.07-1,657,034.37-656,864.19

Finding the Fourth Proportional to 1,200,740.07, 1,657,034.37 and 656,864.19

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Solution

The fourth proportional to 1,200,740.07, 1,657,034.37 and 656,864.19 is: 906,479.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,740.07 : 1,657,034.37 = 656,864.19 : x
  2. Step 2: Convert to fraction form
    1,200,740.07/1,657,034.37 = 656,864.19/x
  3. Step 3: Cross multiply
    1,200,740.07x = 1,657,034.37 × 656,864.19
  4. Step 4: Simplify right side
    1,200,740.07x = 1,088,446,539,252.21
  5. Step 5: Solve for x
    x = 1,088,446,539,252.21/1,200,740.07
  6. Step 6: Final answer
    x = 906,479.73

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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.