Home / 1,637,613.34-2,259,876.27-912,445.45

Finding the Fourth Proportional to 1,637,613.34, 2,259,876.27 and 912,445.45

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Solution

The fourth proportional to 1,637,613.34, 2,259,876.27 and 912,445.45 is: 1,259,157.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,637,613.34 : 2,259,876.27 = 912,445.45 : x
  2. Step 2: Convert to fraction form
    1,637,613.34/2,259,876.27 = 912,445.45/x
  3. Step 3: Cross multiply
    1,637,613.34x = 2,259,876.27 × 912,445.45
  4. Step 4: Simplify right side
    1,637,613.34x = 2,062,013,820,124.47
  5. Step 5: Solve for x
    x = 2,062,013,820,124.47/1,637,613.34
  6. Step 6: Final answer
    x = 1,259,157.93

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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.