Home / 907,872.40-1,361,808.60-553,578.40

Finding the Fourth Proportional to 907,872.40, 1,361,808.60 and 553,578.40

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Solution

The fourth proportional to 907,872.40, 1,361,808.60 and 553,578.40 is: 830,367.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    907,872.40 : 1,361,808.60 = 553,578.40 : x
  2. Step 2: Convert to fraction form
    907,872.40/1,361,808.60 = 553,578.40/x
  3. Step 3: Cross multiply
    907,872.40x = 1,361,808.60 × 553,578.40
  4. Step 4: Simplify right side
    907,872.40x = 753,867,825,894.24
  5. Step 5: Solve for x
    x = 753,867,825,894.24/907,872.40
  6. Step 6: Final answer
    x = 830,367.60

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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.