Home / 829,063.80-1,241,846.10-740,417.40

Finding the Fourth Proportional to 829,063.80, 1,241,846.10 and 740,417.40

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Solution

The fourth proportional to 829,063.80, 1,241,846.10 and 740,417.40 is: 1,109,063.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,063.80 : 1,241,846.10 = 740,417.40 : x
  2. Step 2: Convert to fraction form
    829,063.80/1,241,846.10 = 740,417.40/x
  3. Step 3: Cross multiply
    829,063.80x = 1,241,846.10 × 740,417.40
  4. Step 4: Simplify right side
    829,063.80x = 919,484,460,562.14
  5. Step 5: Solve for x
    x = 919,484,460,562.14/829,063.80
  6. Step 6: Final answer
    x = 1,109,063.57

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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.