Home / 913,881.60-1,369,850.40-440,258.40

Finding the Fourth Proportional to 913,881.60, 1,369,850.40 and 440,258.40

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Solution

The fourth proportional to 913,881.60, 1,369,850.40 and 440,258.40 is: 659,919.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,881.60 : 1,369,850.40 = 440,258.40 : x
  2. Step 2: Convert to fraction form
    913,881.60/1,369,850.40 = 440,258.40/x
  3. Step 3: Cross multiply
    913,881.60x = 1,369,850.40 × 440,258.40
  4. Step 4: Simplify right side
    913,881.60x = 603,088,145,343.36
  5. Step 5: Solve for x
    x = 603,088,145,343.36/913,881.60
  6. Step 6: Final answer
    x = 659,919.34

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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.