Home / 984,449.81-1,358,541.55-531,740.81

Finding the Fourth Proportional to 984,449.81, 1,358,541.55 and 531,740.81

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Solution

The fourth proportional to 984,449.81, 1,358,541.55 and 531,740.81 is: 733,802.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,449.81 : 1,358,541.55 = 531,740.81 : x
  2. Step 2: Convert to fraction form
    984,449.81/1,358,541.55 = 531,740.81/x
  3. Step 3: Cross multiply
    984,449.81x = 1,358,541.55 × 531,740.81
  4. Step 4: Simplify right side
    984,449.81x = 722,391,988,276.69
  5. Step 5: Solve for x
    x = 722,391,988,276.69/984,449.81
  6. Step 6: Final answer
    x = 733,802.76

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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.