Home / 1,155,041.53-1,724,102.32-1,018,689.37

Finding the Fourth Proportional to 1,155,041.53, 1,724,102.32 and 1,018,689.37

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Solution

The fourth proportional to 1,155,041.53, 1,724,102.32 and 1,018,689.37 is: 1,520,572.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,041.53 : 1,724,102.32 = 1,018,689.37 : x
  2. Step 2: Convert to fraction form
    1,155,041.53/1,724,102.32 = 1,018,689.37/x
  3. Step 3: Cross multiply
    1,155,041.53x = 1,724,102.32 × 1,018,689.37
  4. Step 4: Simplify right side
    1,155,041.53x = 1,756,324,706,176.34
  5. Step 5: Solve for x
    x = 1,756,324,706,176.34/1,155,041.53
  6. Step 6: Final answer
    x = 1,520,572.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.