Home / 991,253.64-1,367,845.00-549,740.87

Finding the Fourth Proportional to 991,253.64, 1,367,845.00 and 549,740.87

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Solution

The fourth proportional to 991,253.64, 1,367,845.00 and 549,740.87 is: 758,595.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,253.64 : 1,367,845.00 = 549,740.87 : x
  2. Step 2: Convert to fraction form
    991,253.64/1,367,845.00 = 549,740.87/x
  3. Step 3: Cross multiply
    991,253.64x = 1,367,845.00 × 549,740.87
  4. Step 4: Simplify right side
    991,253.64x = 751,960,292,111.57
  5. Step 5: Solve for x
    x = 751,960,292,111.57/991,253.64
  6. Step 6: Final answer
    x = 758,595.24

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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.