Home / 840,201.84-1,159,578.18-477,680.40

Finding the Fourth Proportional to 840,201.84, 1,159,578.18 and 477,680.40

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Solution

The fourth proportional to 840,201.84, 1,159,578.18 and 477,680.40 is: 659,255.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,201.84 : 1,159,578.18 = 477,680.40 : x
  2. Step 2: Convert to fraction form
    840,201.84/1,159,578.18 = 477,680.40/x
  3. Step 3: Cross multiply
    840,201.84x = 1,159,578.18 × 477,680.40
  4. Step 4: Simplify right side
    840,201.84x = 553,907,768,853.67
  5. Step 5: Solve for x
    x = 553,907,768,853.67/840,201.84
  6. Step 6: Final answer
    x = 659,255.60

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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.