Home / 1,217,880.40-1,825,265.40-936,000.40

Finding the Fourth Proportional to 1,217,880.40, 1,825,265.40 and 936,000.40

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Solution

The fourth proportional to 1,217,880.40, 1,825,265.40 and 936,000.40 is: 1,402,805.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,880.40 : 1,825,265.40 = 936,000.40 : x
  2. Step 2: Convert to fraction form
    1,217,880.40/1,825,265.40 = 936,000.40/x
  3. Step 3: Cross multiply
    1,217,880.40x = 1,825,265.40 × 936,000.40
  4. Step 4: Simplify right side
    1,217,880.40x = 1,708,449,144,506.16
  5. Step 5: Solve for x
    x = 1,708,449,144,506.16/1,217,880.40
  6. Step 6: Final answer
    x = 1,402,805.35

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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.