Home / 1,208,398.02-1,667,117.31-691,875.87

Finding the Fourth Proportional to 1,208,398.02, 1,667,117.31 and 691,875.87

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Solution

The fourth proportional to 1,208,398.02, 1,667,117.31 and 691,875.87 is: 954,518.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,398.02 : 1,667,117.31 = 691,875.87 : x
  2. Step 2: Convert to fraction form
    1,208,398.02/1,667,117.31 = 691,875.87/x
  3. Step 3: Cross multiply
    1,208,398.02x = 1,667,117.31 × 691,875.87
  4. Step 4: Simplify right side
    1,208,398.02x = 1,153,438,239,248.31
  5. Step 5: Solve for x
    x = 1,153,438,239,248.31/1,208,398.02
  6. Step 6: Final answer
    x = 954,518.48

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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.