Home / 649,151.80-973,727.70-369,215.80

Finding the Fourth Proportional to 649,151.80, 973,727.70 and 369,215.80

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Solution

The fourth proportional to 649,151.80, 973,727.70 and 369,215.80 is: 553,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,151.80 : 973,727.70 = 369,215.80 : x
  2. Step 2: Convert to fraction form
    649,151.80/973,727.70 = 369,215.80/x
  3. Step 3: Cross multiply
    649,151.80x = 973,727.70 × 369,215.80
  4. Step 4: Simplify right side
    649,151.80x = 359,515,651,737.66
  5. Step 5: Solve for x
    x = 359,515,651,737.66/649,151.80
  6. Step 6: Final answer
    x = 553,823.70

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Similar ratio
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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.