Home / 1,110,108.16-1,531,810.56-626,613.76

Finding the Fourth Proportional to 1,110,108.16, 1,531,810.56 and 626,613.76

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Solution

The fourth proportional to 1,110,108.16, 1,531,810.56 and 626,613.76 is: 864,648.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,110,108.16 : 1,531,810.56 = 626,613.76 : x
  2. Step 2: Convert to fraction form
    1,110,108.16/1,531,810.56 = 626,613.76/x
  3. Step 3: Cross multiply
    1,110,108.16x = 1,531,810.56 × 626,613.76
  4. Step 4: Simplify right side
    1,110,108.16x = 959,853,574,609.31
  5. Step 5: Solve for x
    x = 959,853,574,609.31/1,110,108.16
  6. Step 6: Final answer
    x = 864,648.70

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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.