Home / 790,365.56-1,185,551.40-191,325.74

Finding the Fourth Proportional to 790,365.56, 1,185,551.40 and 191,325.74

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Solution

The fourth proportional to 790,365.56, 1,185,551.40 and 191,325.74 is: 286,989.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,365.56 : 1,185,551.40 = 191,325.74 : x
  2. Step 2: Convert to fraction form
    790,365.56/1,185,551.40 = 191,325.74/x
  3. Step 3: Cross multiply
    790,365.56x = 1,185,551.40 × 191,325.74
  4. Step 4: Simplify right side
    790,365.56x = 226,826,492,985.28
  5. Step 5: Solve for x
    x = 226,826,492,985.28/790,365.56
  6. Step 6: Final answer
    x = 286,989.35

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Double scale
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Similar ratio
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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.