Home / 1,532,569.86-2,114,837.19-912,342.12

Finding the Fourth Proportional to 1,532,569.86, 2,114,837.19 and 912,342.12

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Solution

The fourth proportional to 1,532,569.86, 2,114,837.19 and 912,342.12 is: 1,258,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,532,569.86 : 2,114,837.19 = 912,342.12 : x
  2. Step 2: Convert to fraction form
    1,532,569.86/2,114,837.19 = 912,342.12/x
  3. Step 3: Cross multiply
    1,532,569.86x = 2,114,837.19 × 912,342.12
  4. Step 4: Simplify right side
    1,532,569.86x = 1,929,455,045,379.44
  5. Step 5: Solve for x
    x = 1,929,455,045,379.44/1,532,569.86
  6. Step 6: Final answer
    x = 1,258,967.11

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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.