Home / 1,025,627.20-1,415,344.80-623,348.80

Finding the Fourth Proportional to 1,025,627.20, 1,415,344.80 and 623,348.80

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Solution

The fourth proportional to 1,025,627.20, 1,415,344.80 and 623,348.80 is: 860,208.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,025,627.20 : 1,415,344.80 = 623,348.80 : x
  2. Step 2: Convert to fraction form
    1,025,627.20/1,415,344.80 = 623,348.80/x
  3. Step 3: Cross multiply
    1,025,627.20x = 1,415,344.80 × 623,348.80
  4. Step 4: Simplify right side
    1,025,627.20x = 882,253,482,666.24
  5. Step 5: Solve for x
    x = 882,253,482,666.24/1,025,627.20
  6. Step 6: Final answer
    x = 860,208.74

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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.