Home / 416,210.09-574,371.45-225,223.47

Finding the Fourth Proportional to 416,210.09, 574,371.45 and 225,223.47

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Solution

The fourth proportional to 416,210.09, 574,371.45 and 225,223.47 is: 310,809.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    416,210.09 : 574,371.45 = 225,223.47 : x
  2. Step 2: Convert to fraction form
    416,210.09/574,371.45 = 225,223.47/x
  3. Step 3: Cross multiply
    416,210.09x = 574,371.45 × 225,223.47
  4. Step 4: Simplify right side
    416,210.09x = 129,361,931,037.93
  5. Step 5: Solve for x
    x = 129,361,931,037.93/416,210.09
  6. Step 6: Final answer
    x = 310,809.22

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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.