Home / 714,559.10-986,055.30-424,183.10

Finding the Fourth Proportional to 714,559.10, 986,055.30 and 424,183.10

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Solution

The fourth proportional to 714,559.10, 986,055.30 and 424,183.10 is: 585,351.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,559.10 : 986,055.30 = 424,183.10 : x
  2. Step 2: Convert to fraction form
    714,559.10/986,055.30 = 424,183.10/x
  3. Step 3: Cross multiply
    714,559.10x = 986,055.30 × 424,183.10
  4. Step 4: Simplify right side
    714,559.10x = 418,267,988,995.15
  5. Step 5: Solve for x
    x = 418,267,988,995.15/714,559.10
  6. Step 6: Final answer
    x = 585,351.15

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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.