Home / 1,160,572.70-1,601,518.25-644,296.49

Finding the Fourth Proportional to 1,160,572.70, 1,601,518.25 and 644,296.49

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Solution

The fourth proportional to 1,160,572.70, 1,601,518.25 and 644,296.49 is: 889,089.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,160,572.70 : 1,601,518.25 = 644,296.49 : x
  2. Step 2: Convert to fraction form
    1,160,572.70/1,601,518.25 = 644,296.49/x
  3. Step 3: Cross multiply
    1,160,572.70x = 1,601,518.25 × 644,296.49
  4. Step 4: Simplify right side
    1,160,572.70x = 1,031,852,575,916.87
  5. Step 5: Solve for x
    x = 1,031,852,575,916.87/1,160,572.70
  6. Step 6: Final answer
    x = 889,089.14

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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.