Home / 822,677.04-1,135,378.08-500,409.36

Finding the Fourth Proportional to 822,677.04, 1,135,378.08 and 500,409.36

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Solution

The fourth proportional to 822,677.04, 1,135,378.08 and 500,409.36 is: 690,615.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,677.04 : 1,135,378.08 = 500,409.36 : x
  2. Step 2: Convert to fraction form
    822,677.04/1,135,378.08 = 500,409.36/x
  3. Step 3: Cross multiply
    822,677.04x = 1,135,378.08 × 500,409.36
  4. Step 4: Simplify right side
    822,677.04x = 568,153,818,370.83
  5. Step 5: Solve for x
    x = 568,153,818,370.83/822,677.04
  6. Step 6: Final answer
    x = 690,615.87

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1.5x scale

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.