Home / 1,147,637.19-1,583,675.90-638,306.76

Finding the Fourth Proportional to 1,147,637.19, 1,583,675.90 and 638,306.76

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Solution

The fourth proportional to 1,147,637.19, 1,583,675.90 and 638,306.76 is: 880,828.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,637.19 : 1,583,675.90 = 638,306.76 : x
  2. Step 2: Convert to fraction form
    1,147,637.19/1,583,675.90 = 638,306.76/x
  3. Step 3: Cross multiply
    1,147,637.19x = 1,583,675.90 × 638,306.76
  4. Step 4: Simplify right side
    1,147,637.19x = 1,010,871,041,350.46
  5. Step 5: Solve for x
    x = 1,010,871,041,350.46/1,147,637.19
  6. Step 6: Final answer
    x = 880,828.06

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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.