Home / 1,140,934.78-1,574,430.06-624,589.75

Finding the Fourth Proportional to 1,140,934.78, 1,574,430.06 and 624,589.75

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Solution

The fourth proportional to 1,140,934.78, 1,574,430.06 and 624,589.75 is: 861,901.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,934.78 : 1,574,430.06 = 624,589.75 : x
  2. Step 2: Convert to fraction form
    1,140,934.78/1,574,430.06 = 624,589.75/x
  3. Step 3: Cross multiply
    1,140,934.78x = 1,574,430.06 × 624,589.75
  4. Step 4: Simplify right side
    1,140,934.78x = 983,372,877,567.89
  5. Step 5: Solve for x
    x = 983,372,877,567.89/1,140,934.78
  6. Step 6: Final answer
    x = 861,901.04

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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.