Home / 979,515.48-1,351,657.23-549,712.58

Finding the Fourth Proportional to 979,515.48, 1,351,657.23 and 549,712.58

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Solution

The fourth proportional to 979,515.48, 1,351,657.23 and 549,712.58 is: 758,561.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,515.48 : 1,351,657.23 = 549,712.58 : x
  2. Step 2: Convert to fraction form
    979,515.48/1,351,657.23 = 549,712.58/x
  3. Step 3: Cross multiply
    979,515.48x = 1,351,657.23 × 549,712.58
  4. Step 4: Simplify right side
    979,515.48x = 743,022,983,178.95
  5. Step 5: Solve for x
    x = 743,022,983,178.95/979,515.48
  6. Step 6: Final answer
    x = 758,561.76

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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.