Home / 1,112,492.64-1,668,987.05-472,816.55

Finding the Fourth Proportional to 1,112,492.64, 1,668,987.05 and 472,816.55

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Solution

The fourth proportional to 1,112,492.64, 1,668,987.05 and 472,816.55 is: 709,330.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,492.64 : 1,668,987.05 = 472,816.55 : x
  2. Step 2: Convert to fraction form
    1,112,492.64/1,668,987.05 = 472,816.55/x
  3. Step 3: Cross multiply
    1,112,492.64x = 1,668,987.05 × 472,816.55
  4. Step 4: Simplify right side
    1,112,492.64x = 789,124,700,784.06
  5. Step 5: Solve for x
    x = 789,124,700,784.06/1,112,492.64
  6. Step 6: Final answer
    x = 709,330.26

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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.