Home / 1,105,248.15-1,525,133.88-621,802.89

Finding the Fourth Proportional to 1,105,248.15, 1,525,133.88 and 621,802.89

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Solution

The fourth proportional to 1,105,248.15, 1,525,133.88 and 621,802.89 is: 858,026.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,248.15 : 1,525,133.88 = 621,802.89 : x
  2. Step 2: Convert to fraction form
    1,105,248.15/1,525,133.88 = 621,802.89/x
  3. Step 3: Cross multiply
    1,105,248.15x = 1,525,133.88 × 621,802.89
  4. Step 4: Simplify right side
    1,105,248.15x = 948,332,654,220.91
  5. Step 5: Solve for x
    x = 948,332,654,220.91/1,105,248.15
  6. Step 6: Final answer
    x = 858,026.91

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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.