Home / 839,073.60-1,257,854.67-306,220.77

Finding the Fourth Proportional to 839,073.60, 1,257,854.67 and 306,220.77

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Solution

The fourth proportional to 839,073.60, 1,257,854.67 and 306,220.77 is: 459,055.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,073.60 : 1,257,854.67 = 306,220.77 : x
  2. Step 2: Convert to fraction form
    839,073.60/1,257,854.67 = 306,220.77/x
  3. Step 3: Cross multiply
    839,073.60x = 1,257,854.67 × 306,220.77
  4. Step 4: Simplify right side
    839,073.60x = 385,181,225,595.50
  5. Step 5: Solve for x
    x = 385,181,225,595.50/839,073.60
  6. Step 6: Final answer
    x = 459,055.35

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Double scale
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1.5x scale

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.