Home / 850,615.20-1,173,901.95-468,641.88

Finding the Fourth Proportional to 850,615.20, 1,173,901.95 and 468,641.88

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Solution

The fourth proportional to 850,615.20, 1,173,901.95 and 468,641.88 is: 646,754.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    850,615.20 : 1,173,901.95 = 468,641.88 : x
  2. Step 2: Convert to fraction form
    850,615.20/1,173,901.95 = 468,641.88/x
  3. Step 3: Cross multiply
    850,615.20x = 1,173,901.95 × 468,641.88
  4. Step 4: Simplify right side
    850,615.20x = 550,139,616,783.67
  5. Step 5: Solve for x
    x = 550,139,616,783.67/850,615.20
  6. Step 6: Final answer
    x = 646,754.98

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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.