Home / 936,815.79-1,292,808.96-507,095.76

Finding the Fourth Proportional to 936,815.79, 1,292,808.96 and 507,095.76

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Solution

The fourth proportional to 936,815.79, 1,292,808.96 and 507,095.76 is: 699,793.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,815.79 : 1,292,808.96 = 507,095.76 : x
  2. Step 2: Convert to fraction form
    936,815.79/1,292,808.96 = 507,095.76/x
  3. Step 3: Cross multiply
    936,815.79x = 1,292,808.96 × 507,095.76
  4. Step 4: Simplify right side
    936,815.79x = 655,577,942,106.01
  5. Step 5: Solve for x
    x = 655,577,942,106.01/936,815.79
  6. Step 6: Final answer
    x = 699,793.86

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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.