Home / 979,656.56-1,351,925.40-549,937.52

Finding the Fourth Proportional to 979,656.56, 1,351,925.40 and 549,937.52

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Solution

The fourth proportional to 979,656.56, 1,351,925.40 and 549,937.52 is: 758,913.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,656.56 : 1,351,925.40 = 549,937.52 : x
  2. Step 2: Convert to fraction form
    979,656.56/1,351,925.40 = 549,937.52/x
  3. Step 3: Cross multiply
    979,656.56x = 1,351,925.40 × 549,937.52
  4. Step 4: Simplify right side
    979,656.56x = 743,474,501,701.01
  5. Step 5: Solve for x
    x = 743,474,501,701.01/979,656.56
  6. Step 6: Final answer
    x = 758,913.41

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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.