Home / 979,291.57-1,351,430.28-549,673.03

Finding the Fourth Proportional to 979,291.57, 1,351,430.28 and 549,673.03

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Solution

The fourth proportional to 979,291.57, 1,351,430.28 and 549,673.03 is: 758,553.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,291.57 : 1,351,430.28 = 549,673.03 : x
  2. Step 2: Convert to fraction form
    979,291.57/1,351,430.28 = 549,673.03/x
  3. Step 3: Cross multiply
    979,291.57x = 1,351,430.28 × 549,673.03
  4. Step 4: Simplify right side
    979,291.57x = 742,844,776,841.35
  5. Step 5: Solve for x
    x = 742,844,776,841.35/979,291.57
  6. Step 6: Final answer
    x = 758,553.22

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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.