Home / 1,113,960.21-1,537,152.90-630,441.17

Finding the Fourth Proportional to 1,113,960.21, 1,537,152.90 and 630,441.17

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Solution

The fourth proportional to 1,113,960.21, 1,537,152.90 and 630,441.17 is: 869,945.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,113,960.21 : 1,537,152.90 = 630,441.17 : x
  2. Step 2: Convert to fraction form
    1,113,960.21/1,537,152.90 = 630,441.17/x
  3. Step 3: Cross multiply
    1,113,960.21x = 1,537,152.90 × 630,441.17
  4. Step 4: Simplify right side
    1,113,960.21x = 969,084,472,744.89
  5. Step 5: Solve for x
    x = 969,084,472,744.89/1,113,960.21
  6. Step 6: Final answer
    x = 869,945.32

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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.