Home / 959,048.98-1,438,114.47-453,187.78

Finding the Fourth Proportional to 959,048.98, 1,438,114.47 and 453,187.78

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Solution

The fourth proportional to 959,048.98, 1,438,114.47 and 453,187.78 is: 679,564.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,048.98 : 1,438,114.47 = 453,187.78 : x
  2. Step 2: Convert to fraction form
    959,048.98/1,438,114.47 = 453,187.78/x
  3. Step 3: Cross multiply
    959,048.98x = 1,438,114.47 × 453,187.78
  4. Step 4: Simplify right side
    959,048.98x = 651,735,904,045.18
  5. Step 5: Solve for x
    x = 651,735,904,045.18/959,048.98
  6. Step 6: Final answer
    x = 679,564.77

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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.