Home / 970,119.12-1,455,801.28-650,631.68

Finding the Fourth Proportional to 970,119.12, 1,455,801.28 and 650,631.68

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Solution

The fourth proportional to 970,119.12, 1,455,801.28 and 650,631.68 is: 976,365.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    970,119.12 : 1,455,801.28 = 650,631.68 : x
  2. Step 2: Convert to fraction form
    970,119.12/1,455,801.28 = 650,631.68/x
  3. Step 3: Cross multiply
    970,119.12x = 1,455,801.28 × 650,631.68
  4. Step 4: Simplify right side
    970,119.12x = 947,190,432,552.55
  5. Step 5: Solve for x
    x = 947,190,432,552.55/970,119.12
  6. Step 6: Final answer
    x = 976,365.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.