Home / 945,048.60-1,416,665.70-313,637.40

Finding the Fourth Proportional to 945,048.60, 1,416,665.70 and 313,637.40

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Solution

The fourth proportional to 945,048.60, 1,416,665.70 and 313,637.40 is: 470,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,048.60 : 1,416,665.70 = 313,637.40 : x
  2. Step 2: Convert to fraction form
    945,048.60/1,416,665.70 = 313,637.40/x
  3. Step 3: Cross multiply
    945,048.60x = 1,416,665.70 × 313,637.40
  4. Step 4: Simplify right side
    945,048.60x = 444,319,346,817.18
  5. Step 5: Solve for x
    x = 444,319,346,817.18/945,048.60
  6. Step 6: Final answer
    x = 470,155.02

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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.