Home / 1,214,979.40-1,822,031.70-615,741.40

Finding the Fourth Proportional to 1,214,979.40, 1,822,031.70 and 615,741.40

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Solution

The fourth proportional to 1,214,979.40, 1,822,031.70 and 615,741.40 is: 923,390.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,979.40 : 1,822,031.70 = 615,741.40 : x
  2. Step 2: Convert to fraction form
    1,214,979.40/1,822,031.70 = 615,741.40/x
  3. Step 3: Cross multiply
    1,214,979.40x = 1,822,031.70 × 615,741.40
  4. Step 4: Simplify right side
    1,214,979.40x = 1,121,900,349,802.38
  5. Step 5: Solve for x
    x = 1,121,900,349,802.38/1,214,979.40
  6. Step 6: Final answer
    x = 923,390.43

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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.