Home / 984,430.89-1,358,515.53-531,721.89

Finding the Fourth Proportional to 984,430.89, 1,358,515.53 and 531,721.89

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Solution

The fourth proportional to 984,430.89, 1,358,515.53 and 531,721.89 is: 733,776.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,430.89 : 1,358,515.53 = 531,721.89 : x
  2. Step 2: Convert to fraction form
    984,430.89/1,358,515.53 = 531,721.89/x
  3. Step 3: Cross multiply
    984,430.89x = 1,358,515.53 × 531,721.89
  4. Step 4: Simplify right side
    984,430.89x = 722,352,445,205.95
  5. Step 5: Solve for x
    x = 722,352,445,205.95/984,430.89
  6. Step 6: Final answer
    x = 733,776.70

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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.