Home / 775,013.80-1,069,882.38-517,326.16

Finding the Fourth Proportional to 775,013.80, 1,069,882.38 and 517,326.16

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Solution

The fourth proportional to 775,013.80, 1,069,882.38 and 517,326.16 is: 714,152.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,013.80 : 1,069,882.38 = 517,326.16 : x
  2. Step 2: Convert to fraction form
    775,013.80/1,069,882.38 = 517,326.16/x
  3. Step 3: Cross multiply
    775,013.80x = 1,069,882.38 × 517,326.16
  4. Step 4: Simplify right side
    775,013.80x = 553,478,143,297.06
  5. Step 5: Solve for x
    x = 553,478,143,297.06/775,013.80
  6. Step 6: Final answer
    x = 714,152.63

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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.