Home / 1,141,780.68-1,575,589.62-625,431.36

Finding the Fourth Proportional to 1,141,780.68, 1,575,589.62 and 625,431.36

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Solution

The fourth proportional to 1,141,780.68, 1,575,589.62 and 625,431.36 is: 863,058.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,780.68 : 1,575,589.62 = 625,431.36 : x
  2. Step 2: Convert to fraction form
    1,141,780.68/1,575,589.62 = 625,431.36/x
  3. Step 3: Cross multiply
    1,141,780.68x = 1,575,589.62 × 625,431.36
  4. Step 4: Simplify right side
    1,141,780.68x = 985,423,158,838.48
  5. Step 5: Solve for x
    x = 985,423,158,838.48/1,141,780.68
  6. Step 6: Final answer
    x = 863,058.18

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Double scale
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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.