Home / 979,415.06-1,351,592.76-549,695.20

Finding the Fourth Proportional to 979,415.06, 1,351,592.76 and 549,695.20

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Solution

The fourth proportional to 979,415.06, 1,351,592.76 and 549,695.20 is: 758,579.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,415.06 : 1,351,592.76 = 549,695.20 : x
  2. Step 2: Convert to fraction form
    979,415.06/1,351,592.76 = 549,695.20/x
  3. Step 3: Cross multiply
    979,415.06x = 1,351,592.76 × 549,695.20
  4. Step 4: Simplify right side
    979,415.06x = 742,964,045,768.79
  5. Step 5: Solve for x
    x = 742,964,045,768.79/979,415.06
  6. Step 6: Final answer
    x = 758,579.36

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Double scale
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Similar ratio
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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.