Home / 1,685,902.78-2,326,545.75-921,956.86

Finding the Fourth Proportional to 1,685,902.78, 2,326,545.75 and 921,956.86

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Solution

The fourth proportional to 1,685,902.78, 2,326,545.75 and 921,956.86 is: 1,272,300.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,902.78 : 2,326,545.75 = 921,956.86 : x
  2. Step 2: Convert to fraction form
    1,685,902.78/2,326,545.75 = 921,956.86/x
  3. Step 3: Cross multiply
    1,685,902.78x = 2,326,545.75 × 921,956.86
  4. Step 4: Simplify right side
    1,685,902.78x = 2,144,974,814,316.35
  5. Step 5: Solve for x
    x = 2,144,974,814,316.35/1,685,902.78
  6. Step 6: Final answer
    x = 1,272,300.42

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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.