Home / 1,275,084.32-1,911,191.14-556,031.12

Finding the Fourth Proportional to 1,275,084.32, 1,911,191.14 and 556,031.12

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Solution

The fourth proportional to 1,275,084.32, 1,911,191.14 and 556,031.12 is: 833,420.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,084.32 : 1,911,191.14 = 556,031.12 : x
  2. Step 2: Convert to fraction form
    1,275,084.32/1,911,191.14 = 556,031.12/x
  3. Step 3: Cross multiply
    1,275,084.32x = 1,911,191.14 × 556,031.12
  4. Step 4: Simplify right side
    1,275,084.32x = 1,062,681,750,108.28
  5. Step 5: Solve for x
    x = 1,062,681,750,108.28/1,275,084.32
  6. Step 6: Final answer
    x = 833,420.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.