Home / 1,137,984.95-1,570,643.43-678,869.75

Finding the Fourth Proportional to 1,137,984.95, 1,570,643.43 and 678,869.75

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Solution

The fourth proportional to 1,137,984.95, 1,570,643.43 and 678,869.75 is: 936,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,137,984.95 : 1,570,643.43 = 678,869.75 : x
  2. Step 2: Convert to fraction form
    1,137,984.95/1,570,643.43 = 678,869.75/x
  3. Step 3: Cross multiply
    1,137,984.95x = 1,570,643.43 × 678,869.75
  4. Step 4: Simplify right side
    1,137,984.95x = 1,066,262,304,432.44
  5. Step 5: Solve for x
    x = 1,066,262,304,432.44/1,137,984.95
  6. Step 6: Final answer
    x = 936,974.00

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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.