Home / 1,186,047.20-1,779,301.20-512,127.20

Finding the Fourth Proportional to 1,186,047.20, 1,779,301.20 and 512,127.20

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Solution

The fourth proportional to 1,186,047.20, 1,779,301.20 and 512,127.20 is: 768,290.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,047.20 : 1,779,301.20 = 512,127.20 : x
  2. Step 2: Convert to fraction form
    1,186,047.20/1,779,301.20 = 512,127.20/x
  3. Step 3: Cross multiply
    1,186,047.20x = 1,779,301.20 × 512,127.20
  4. Step 4: Simplify right side
    1,186,047.20x = 911,228,541,512.64
  5. Step 5: Solve for x
    x = 911,228,541,512.64/1,186,047.20
  6. Step 6: Final answer
    x = 768,290.29

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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.