Home / 1,155,436.48-1,732,416.12-555,203.20

Finding the Fourth Proportional to 1,155,436.48, 1,732,416.12 and 555,203.20

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Solution

The fourth proportional to 1,155,436.48, 1,732,416.12 and 555,203.20 is: 832,449.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,436.48 : 1,732,416.12 = 555,203.20 : x
  2. Step 2: Convert to fraction form
    1,155,436.48/1,732,416.12 = 555,203.20/x
  3. Step 3: Cross multiply
    1,155,436.48x = 1,732,416.12 × 555,203.20
  4. Step 4: Simplify right side
    1,155,436.48x = 961,842,973,555.58
  5. Step 5: Solve for x
    x = 961,842,973,555.58/1,155,436.48
  6. Step 6: Final answer
    x = 832,449.89

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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.