Home / 999,444.28-1,379,228.98-540,559.36

Finding the Fourth Proportional to 999,444.28, 1,379,228.98 and 540,559.36

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Solution

The fourth proportional to 999,444.28, 1,379,228.98 and 540,559.36 is: 745,969.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,444.28 : 1,379,228.98 = 540,559.36 : x
  2. Step 2: Convert to fraction form
    999,444.28/1,379,228.98 = 540,559.36/x
  3. Step 3: Cross multiply
    999,444.28x = 1,379,228.98 × 540,559.36
  4. Step 4: Simplify right side
    999,444.28x = 745,555,134,722.25
  5. Step 5: Solve for x
    x = 745,555,134,722.25/999,444.28
  6. Step 6: Final answer
    x = 745,969.68

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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.