Home / 906,539.49-1,251,055.22-498,671.67

Finding the Fourth Proportional to 906,539.49, 1,251,055.22 and 498,671.67

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Solution

The fourth proportional to 906,539.49, 1,251,055.22 and 498,671.67 is: 688,183.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,539.49 : 1,251,055.22 = 498,671.67 : x
  2. Step 2: Convert to fraction form
    906,539.49/1,251,055.22 = 498,671.67/x
  3. Step 3: Cross multiply
    906,539.49x = 1,251,055.22 × 498,671.67
  4. Step 4: Simplify right side
    906,539.49x = 623,865,793,326.26
  5. Step 5: Solve for x
    x = 623,865,793,326.26/906,539.49
  6. Step 6: Final answer
    x = 688,183.80

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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.