Home / 984,731.18-1,475,854.25-528,190.16

Finding the Fourth Proportional to 984,731.18, 1,475,854.25 and 528,190.16

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Solution

The fourth proportional to 984,731.18, 1,475,854.25 and 528,190.16 is: 791,618.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,731.18 : 1,475,854.25 = 528,190.16 : x
  2. Step 2: Convert to fraction form
    984,731.18/1,475,854.25 = 528,190.16/x
  3. Step 3: Cross multiply
    984,731.18x = 1,475,854.25 × 528,190.16
  4. Step 4: Simplify right side
    984,731.18x = 779,531,682,423.96
  5. Step 5: Solve for x
    x = 779,531,682,423.96/984,731.18
  6. Step 6: Final answer
    x = 791,618.77

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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.