Home / 1,215,892.60-1,824,875.70-543,009.40

Finding the Fourth Proportional to 1,215,892.60, 1,824,875.70 and 543,009.40

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Solution

The fourth proportional to 1,215,892.60, 1,824,875.70 and 543,009.40 is: 814,977.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,892.60 : 1,824,875.70 = 543,009.40 : x
  2. Step 2: Convert to fraction form
    1,215,892.60/1,824,875.70 = 543,009.40/x
  3. Step 3: Cross multiply
    1,215,892.60x = 1,824,875.70 × 543,009.40
  4. Step 4: Simplify right side
    1,215,892.60x = 990,924,658,931.58
  5. Step 5: Solve for x
    x = 990,924,658,931.58/1,215,892.60
  6. Step 6: Final answer
    x = 814,977.13

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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.