Home / 726,017.61-1,001,747.75-439,549.77

Finding the Fourth Proportional to 726,017.61, 1,001,747.75 and 439,549.77

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Solution

The fourth proportional to 726,017.61, 1,001,747.75 and 439,549.77 is: 606,483.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,017.61 : 1,001,747.75 = 439,549.77 : x
  2. Step 2: Convert to fraction form
    726,017.61/1,001,747.75 = 439,549.77/x
  3. Step 3: Cross multiply
    726,017.61x = 1,001,747.75 × 439,549.77
  4. Step 4: Simplify right side
    726,017.61x = 440,317,990,912.77
  5. Step 5: Solve for x
    x = 440,317,990,912.77/726,017.61
  6. Step 6: Final answer
    x = 606,483.90

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Double scale
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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.