Home / 1,127,477.56-1,555,907.18-618,178.68

Finding the Fourth Proportional to 1,127,477.56, 1,555,907.18 and 618,178.68

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Solution

The fourth proportional to 1,127,477.56, 1,555,907.18 and 618,178.68 is: 853,080.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,477.56 : 1,555,907.18 = 618,178.68 : x
  2. Step 2: Convert to fraction form
    1,127,477.56/1,555,907.18 = 618,178.68/x
  3. Step 3: Cross multiply
    1,127,477.56x = 1,555,907.18 × 618,178.68
  4. Step 4: Simplify right side
    1,127,477.56x = 961,828,646,734.92
  5. Step 5: Solve for x
    x = 961,828,646,734.92/1,127,477.56
  6. Step 6: Final answer
    x = 853,080.08

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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.