Home / 987,554.76-1,362,827.34-534,845.76

Finding the Fourth Proportional to 987,554.76, 1,362,827.34 and 534,845.76

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Solution

The fourth proportional to 987,554.76, 1,362,827.34 and 534,845.76 is: 738,088.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,554.76 : 1,362,827.34 = 534,845.76 : x
  2. Step 2: Convert to fraction form
    987,554.76/1,362,827.34 = 534,845.76/x
  3. Step 3: Cross multiply
    987,554.76x = 1,362,827.34 × 534,845.76
  4. Step 4: Simplify right side
    987,554.76x = 728,902,424,411.08
  5. Step 5: Solve for x
    x = 728,902,424,411.08/987,554.76
  6. Step 6: Final answer
    x = 738,088.11

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1.5x scale

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.