Home / 975,471.78-1,346,203.35-545,726.28

Finding the Fourth Proportional to 975,471.78, 1,346,203.35 and 545,726.28

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Solution

The fourth proportional to 975,471.78, 1,346,203.35 and 545,726.28 is: 753,131.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,471.78 : 1,346,203.35 = 545,726.28 : x
  2. Step 2: Convert to fraction form
    975,471.78/1,346,203.35 = 545,726.28/x
  3. Step 3: Cross multiply
    975,471.78x = 1,346,203.35 × 545,726.28
  4. Step 4: Simplify right side
    975,471.78x = 734,658,546,319.04
  5. Step 5: Solve for x
    x = 734,658,546,319.04/975,471.78
  6. Step 6: Final answer
    x = 753,131.52

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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.