Home / 1,235,900.40-1,852,813.80-644,924.40

Finding the Fourth Proportional to 1,235,900.40, 1,852,813.80 and 644,924.40

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Solution

The fourth proportional to 1,235,900.40, 1,852,813.80 and 644,924.40 is: 966,845.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,235,900.40 : 1,852,813.80 = 644,924.40 : x
  2. Step 2: Convert to fraction form
    1,235,900.40/1,852,813.80 = 644,924.40/x
  3. Step 3: Cross multiply
    1,235,900.40x = 1,852,813.80 × 644,924.40
  4. Step 4: Simplify right side
    1,235,900.40x = 1,194,924,828,276.72
  5. Step 5: Solve for x
    x = 1,194,924,828,276.72/1,235,900.40
  6. Step 6: Final answer
    x = 966,845.57

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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.