Home / 1,018,359.18-1,405,380.15-565,650.18

Finding the Fourth Proportional to 1,018,359.18, 1,405,380.15 and 565,650.18

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Solution

The fourth proportional to 1,018,359.18, 1,405,380.15 and 565,650.18 is: 780,621.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,359.18 : 1,405,380.15 = 565,650.18 : x
  2. Step 2: Convert to fraction form
    1,018,359.18/1,405,380.15 = 565,650.18/x
  3. Step 3: Cross multiply
    1,018,359.18x = 1,405,380.15 × 565,650.18
  4. Step 4: Simplify right side
    1,018,359.18x = 794,953,534,815.93
  5. Step 5: Solve for x
    x = 794,953,534,815.93/1,018,359.18
  6. Step 6: Final answer
    x = 780,621.96

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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.