Home / 714,566.30-986,064.39-424,189.94

Finding the Fourth Proportional to 714,566.30, 986,064.39 and 424,189.94

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Solution

The fourth proportional to 714,566.30, 986,064.39 and 424,189.94 is: 585,360.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,566.30 : 986,064.39 = 424,189.94 : x
  2. Step 2: Convert to fraction form
    714,566.30/986,064.39 = 424,189.94/x
  3. Step 3: Cross multiply
    714,566.30x = 986,064.39 × 424,189.94
  4. Step 4: Simplify right side
    714,566.30x = 418,278,594,430.24
  5. Step 5: Solve for x
    x = 418,278,594,430.24/714,566.30
  6. Step 6: Final answer
    x = 585,360.09

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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.