Home / 1,214,223.60-1,822,501.80-615,860.40

Finding the Fourth Proportional to 1,214,223.60, 1,822,501.80 and 615,860.40

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Solution

The fourth proportional to 1,214,223.60, 1,822,501.80 and 615,860.40 is: 924,382.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,223.60 : 1,822,501.80 = 615,860.40 : x
  2. Step 2: Convert to fraction form
    1,214,223.60/1,822,501.80 = 615,860.40/x
  3. Step 3: Cross multiply
    1,214,223.60x = 1,822,501.80 × 615,860.40
  4. Step 4: Simplify right side
    1,214,223.60x = 1,122,406,687,548.72
  5. Step 5: Solve for x
    x = 1,122,406,687,548.72/1,214,223.60
  6. Step 6: Final answer
    x = 924,382.20

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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.