Home / 1,110,404.42-1,532,095.48-644,981.74

Finding the Fourth Proportional to 1,110,404.42, 1,532,095.48 and 644,981.74

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Solution

The fourth proportional to 1,110,404.42, 1,532,095.48 and 644,981.74 is: 889,922.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,404.42 : 1,532,095.48 = 644,981.74 : x
  2. Step 2: Convert to fraction form
    1,110,404.42/1,532,095.48 = 644,981.74/x
  3. Step 3: Cross multiply
    1,110,404.42x = 1,532,095.48 × 644,981.74
  4. Step 4: Simplify right side
    1,110,404.42x = 988,173,608,839.20
  5. Step 5: Solve for x
    x = 988,173,608,839.20/1,110,404.42
  6. Step 6: Final answer
    x = 889,922.26

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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.