Home / 1,235,917.40-1,852,839.30-644,941.40

Finding the Fourth Proportional to 1,235,917.40, 1,852,839.30 and 644,941.40

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Solution

The fourth proportional to 1,235,917.40, 1,852,839.30 and 644,941.40 is: 966,871.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,917.40 : 1,852,839.30 = 644,941.40 : x
  2. Step 2: Convert to fraction form
    1,235,917.40/1,852,839.30 = 644,941.40/x
  3. Step 3: Cross multiply
    1,235,917.40x = 1,852,839.30 × 644,941.40
  4. Step 4: Simplify right side
    1,235,917.40x = 1,194,972,772,117.02
  5. Step 5: Solve for x
    x = 1,194,972,772,117.02/1,235,917.40
  6. Step 6: Final answer
    x = 966,871.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.