Home / 1,118,405.48-1,543,417.13-609,107.45

Finding the Fourth Proportional to 1,118,405.48, 1,543,417.13 and 609,107.45

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Solution

The fourth proportional to 1,118,405.48, 1,543,417.13 and 609,107.45 is: 840,577.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,405.48 : 1,543,417.13 = 609,107.45 : x
  2. Step 2: Convert to fraction form
    1,118,405.48/1,543,417.13 = 609,107.45/x
  3. Step 3: Cross multiply
    1,118,405.48x = 1,543,417.13 × 609,107.45
  4. Step 4: Simplify right side
    1,118,405.48x = 940,106,866,146.30
  5. Step 5: Solve for x
    x = 940,106,866,146.30/1,118,405.48
  6. Step 6: Final answer
    x = 840,577.85

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.