Home / 942,837.39-1,301,090.61-513,108.30

Finding the Fourth Proportional to 942,837.39, 1,301,090.61 and 513,108.30

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Solution

The fourth proportional to 942,837.39, 1,301,090.61 and 513,108.30 is: 708,075.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,837.39 : 1,301,090.61 = 513,108.30 : x
  2. Step 2: Convert to fraction form
    942,837.39/1,301,090.61 = 513,108.30/x
  3. Step 3: Cross multiply
    942,837.39x = 1,301,090.61 × 513,108.30
  4. Step 4: Simplify right side
    942,837.39x = 667,600,391,043.06
  5. Step 5: Solve for x
    x = 667,600,391,043.06/942,837.39
  6. Step 6: Final answer
    x = 708,075.85

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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.