Home / 897,430.20-1,346,145.30-808,856.70

Finding the Fourth Proportional to 897,430.20, 1,346,145.30 and 808,856.70

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Solution

The fourth proportional to 897,430.20, 1,346,145.30 and 808,856.70 is: 1,213,285.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,430.20 : 1,346,145.30 = 808,856.70 : x
  2. Step 2: Convert to fraction form
    897,430.20/1,346,145.30 = 808,856.70/x
  3. Step 3: Cross multiply
    897,430.20x = 1,346,145.30 × 808,856.70
  4. Step 4: Simplify right side
    897,430.20x = 1,088,838,645,078.51
  5. Step 5: Solve for x
    x = 1,088,838,645,078.51/897,430.20
  6. Step 6: Final answer
    x = 1,213,285.05

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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.