Home / 755,642.08-1,042,763.28-416,112.16

Finding the Fourth Proportional to 755,642.08, 1,042,763.28 and 416,112.16

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Solution

The fourth proportional to 755,642.08, 1,042,763.28 and 416,112.16 is: 574,222.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,642.08 : 1,042,763.28 = 416,112.16 : x
  2. Step 2: Convert to fraction form
    755,642.08/1,042,763.28 = 416,112.16/x
  3. Step 3: Cross multiply
    755,642.08x = 1,042,763.28 × 416,112.16
  4. Step 4: Simplify right side
    755,642.08x = 433,906,480,809.49
  5. Step 5: Solve for x
    x = 433,906,480,809.49/755,642.08
  6. Step 6: Final answer
    x = 574,222.23

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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.