Home / 1,007,873.52-1,390,865.52-555,164.52

Finding the Fourth Proportional to 1,007,873.52, 1,390,865.52 and 555,164.52

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Solution

The fourth proportional to 1,007,873.52, 1,390,865.52 and 555,164.52 is: 766,127.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,873.52 : 1,390,865.52 = 555,164.52 : x
  2. Step 2: Convert to fraction form
    1,007,873.52/1,390,865.52 = 555,164.52/x
  3. Step 3: Cross multiply
    1,007,873.52x = 1,390,865.52 × 555,164.52
  4. Step 4: Simplify right side
    1,007,873.52x = 772,159,188,795.35
  5. Step 5: Solve for x
    x = 772,159,188,795.35/1,007,873.52
  6. Step 6: Final answer
    x = 766,127.07

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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.