Home / 1,559,922.57-2,152,707.39-915,353.51

Finding the Fourth Proportional to 1,559,922.57, 2,152,707.39 and 915,353.51

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Solution

The fourth proportional to 1,559,922.57, 2,152,707.39 and 915,353.51 is: 1,263,196.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,559,922.57 : 2,152,707.39 = 915,353.51 : x
  2. Step 2: Convert to fraction form
    1,559,922.57/2,152,707.39 = 915,353.51/x
  3. Step 3: Cross multiply
    1,559,922.57x = 2,152,707.39 × 915,353.51
  4. Step 4: Simplify right side
    1,559,922.57x = 1,970,488,254,675.90
  5. Step 5: Solve for x
    x = 1,970,488,254,675.90/1,559,922.57
  6. Step 6: Final answer
    x = 1,263,196.19

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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.