Home / 984,637.68-1,358,780.96-554,909.12

Finding the Fourth Proportional to 984,637.68, 1,358,780.96 and 554,909.12

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Solution

The fourth proportional to 984,637.68, 1,358,780.96 and 554,909.12 is: 765,763.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,637.68 : 1,358,780.96 = 554,909.12 : x
  2. Step 2: Convert to fraction form
    984,637.68/1,358,780.96 = 554,909.12/x
  3. Step 3: Cross multiply
    984,637.68x = 1,358,780.96 × 554,909.12
  4. Step 4: Simplify right side
    984,637.68x = 753,999,946,786.36
  5. Step 5: Solve for x
    x = 753,999,946,786.36/984,637.68
  6. Step 6: Final answer
    x = 765,763.86

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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.