Home / 684,291.60-1,026,437.40-185,655.60

Finding the Fourth Proportional to 684,291.60, 1,026,437.40 and 185,655.60

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Solution

The fourth proportional to 684,291.60, 1,026,437.40 and 185,655.60 is: 278,483.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,291.60 : 1,026,437.40 = 185,655.60 : x
  2. Step 2: Convert to fraction form
    684,291.60/1,026,437.40 = 185,655.60/x
  3. Step 3: Cross multiply
    684,291.60x = 1,026,437.40 × 185,655.60
  4. Step 4: Simplify right side
    684,291.60x = 190,563,851,359.44
  5. Step 5: Solve for x
    x = 190,563,851,359.44/684,291.60
  6. Step 6: Final answer
    x = 278,483.40

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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.