Home / 1,036,387.62-1,554,433.80-326,397.20

Finding the Fourth Proportional to 1,036,387.62, 1,554,433.80 and 326,397.20

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Solution

The fourth proportional to 1,036,387.62, 1,554,433.80 and 326,397.20 is: 489,549.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,387.62 : 1,554,433.80 = 326,397.20 : x
  2. Step 2: Convert to fraction form
    1,036,387.62/1,554,433.80 = 326,397.20/x
  3. Step 3: Cross multiply
    1,036,387.62x = 1,554,433.80 × 326,397.20
  4. Step 4: Simplify right side
    1,036,387.62x = 507,362,839,905.36
  5. Step 5: Solve for x
    x = 507,362,839,905.36/1,036,387.62
  6. Step 6: Final answer
    x = 489,549.31

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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.