Home / 1,556,738.16-2,335,781.63-836,239.21

Finding the Fourth Proportional to 1,556,738.16, 2,335,781.63 and 836,239.21

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Solution

The fourth proportional to 1,556,738.16, 2,335,781.63 and 836,239.21 is: 1,254,721.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,738.16 : 2,335,781.63 = 836,239.21 : x
  2. Step 2: Convert to fraction form
    1,556,738.16/2,335,781.63 = 836,239.21/x
  3. Step 3: Cross multiply
    1,556,738.16x = 2,335,781.63 × 836,239.21
  4. Step 4: Simplify right side
    1,556,738.16x = 1,953,272,181,254.86
  5. Step 5: Solve for x
    x = 1,953,272,181,254.86/1,556,738.16
  6. Step 6: Final answer
    x = 1,254,721.08

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.