Home / 1,186,032.20-1,779,278.70-512,112.20

Finding the Fourth Proportional to 1,186,032.20, 1,779,278.70 and 512,112.20

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Solution

The fourth proportional to 1,186,032.20, 1,779,278.70 and 512,112.20 is: 768,267.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,032.20 : 1,779,278.70 = 512,112.20 : x
  2. Step 2: Convert to fraction form
    1,186,032.20/1,779,278.70 = 512,112.20/x
  3. Step 3: Cross multiply
    1,186,032.20x = 1,779,278.70 × 512,112.20
  4. Step 4: Simplify right side
    1,186,032.20x = 911,190,329,470.14
  5. Step 5: Solve for x
    x = 911,190,329,470.14/1,186,032.20
  6. Step 6: Final answer
    x = 768,267.78

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1.5x scale

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.