Home / 1,140,815.43-1,574,325.75-624,602.78

Finding the Fourth Proportional to 1,140,815.43, 1,574,325.75 and 624,602.78

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Solution

The fourth proportional to 1,140,815.43, 1,574,325.75 and 624,602.78 is: 861,952.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,815.43 : 1,574,325.75 = 624,602.78 : x
  2. Step 2: Convert to fraction form
    1,140,815.43/1,574,325.75 = 624,602.78/x
  3. Step 3: Cross multiply
    1,140,815.43x = 1,574,325.75 × 624,602.78
  4. Step 4: Simplify right side
    1,140,815.43x = 983,328,232,203.96
  5. Step 5: Solve for x
    x = 983,328,232,203.96/1,140,815.43
  6. Step 6: Final answer
    x = 861,952.08

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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.