Home / 979,048.67-1,351,110.44-549,360.57

Finding the Fourth Proportional to 979,048.67, 1,351,110.44 and 549,360.57

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Solution

The fourth proportional to 979,048.67, 1,351,110.44 and 549,360.57 is: 758,130.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,048.67 : 1,351,110.44 = 549,360.57 : x
  2. Step 2: Convert to fraction form
    979,048.67/1,351,110.44 = 549,360.57/x
  3. Step 3: Cross multiply
    979,048.67x = 1,351,110.44 × 549,360.57
  4. Step 4: Simplify right side
    979,048.67x = 742,246,798,704.55
  5. Step 5: Solve for x
    x = 742,246,798,704.55/979,048.67
  6. Step 6: Final answer
    x = 758,130.65

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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.