Home / 1,212,184.04-1,818,285.14-538,084.11

Finding the Fourth Proportional to 1,212,184.04, 1,818,285.14 and 538,084.11

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Solution

The fourth proportional to 1,212,184.04, 1,818,285.14 and 538,084.11 is: 807,130.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,212,184.04 : 1,818,285.14 = 538,084.11 : x
  2. Step 2: Convert to fraction form
    1,212,184.04/1,818,285.14 = 538,084.11/x
  3. Step 3: Cross multiply
    1,212,184.04x = 1,818,285.14 × 538,084.11
  4. Step 4: Simplify right side
    1,212,184.04x = 978,390,338,592.71
  5. Step 5: Solve for x
    x = 978,390,338,592.71/1,212,184.04
  6. Step 6: Final answer
    x = 807,130.20

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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.