Home / 887,903.18-1,331,440.70-461,324.33

Finding the Fourth Proportional to 887,903.18, 1,331,440.70 and 461,324.33

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Solution

The fourth proportional to 887,903.18, 1,331,440.70 and 461,324.33 is: 691,771.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,903.18 : 1,331,440.70 = 461,324.33 : x
  2. Step 2: Convert to fraction form
    887,903.18/1,331,440.70 = 461,324.33/x
  3. Step 3: Cross multiply
    887,903.18x = 1,331,440.70 × 461,324.33
  4. Step 4: Simplify right side
    887,903.18x = 614,225,983,358.34
  5. Step 5: Solve for x
    x = 614,225,983,358.34/887,903.18
  6. Step 6: Final answer
    x = 691,771.35

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1.5x scale

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.