Home / 936,346.10-1,402,550.85-778,882.10

Finding the Fourth Proportional to 936,346.10, 1,402,550.85 and 778,882.10

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Solution

The fourth proportional to 936,346.10, 1,402,550.85 and 778,882.10 is: 1,166,685.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,346.10 : 1,402,550.85 = 778,882.10 : x
  2. Step 2: Convert to fraction form
    936,346.10/1,402,550.85 = 778,882.10/x
  3. Step 3: Cross multiply
    936,346.10x = 1,402,550.85 × 778,882.10
  4. Step 4: Simplify right side
    936,346.10x = 1,092,421,751,404.79
  5. Step 5: Solve for x
    x = 1,092,421,751,404.79/936,346.10
  6. Step 6: Final answer
    x = 1,166,685.86

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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.