Home / 1,029,045.51-1,542,744-489,030.78

Finding the Fourth Proportional to 1,029,045.51, 1,542,744 and 489,030.78

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Solution

The fourth proportional to 1,029,045.51, 1,542,744 and 489,030.78 is: 733,154.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,045.51 : 1,542,744 = 489,030.78 : x
  2. Step 2: Convert to fraction form
    1,029,045.51/1,542,744 = 489,030.78/x
  3. Step 3: Cross multiply
    1,029,045.51x = 1,542,744 × 489,030.78
  4. Step 4: Simplify right side
    1,029,045.51x = 754,449,301,660.32
  5. Step 5: Solve for x
    x = 754,449,301,660.32/1,029,045.51
  6. Step 6: Final answer
    x = 733,154.46

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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.