Home / 1,086,294.60-1,630,025.10-455,272.20

Finding the Fourth Proportional to 1,086,294.60, 1,630,025.10 and 455,272.20

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Solution

The fourth proportional to 1,086,294.60, 1,630,025.10 and 455,272.20 is: 683,152.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,086,294.60 : 1,630,025.10 = 455,272.20 : x
  2. Step 2: Convert to fraction form
    1,086,294.60/1,630,025.10 = 455,272.20/x
  3. Step 3: Cross multiply
    1,086,294.60x = 1,630,025.10 × 455,272.20
  4. Step 4: Simplify right side
    1,086,294.60x = 742,105,113,332.22
  5. Step 5: Solve for x
    x = 742,105,113,332.22/1,086,294.60
  6. Step 6: Final answer
    x = 683,152.72

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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.