Home / 1,291,261.20-1,934,587.80-624,944.40

Finding the Fourth Proportional to 1,291,261.20, 1,934,587.80 and 624,944.40

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Solution

The fourth proportional to 1,291,261.20, 1,934,587.80 and 624,944.40 is: 936,301.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,261.20 : 1,934,587.80 = 624,944.40 : x
  2. Step 2: Convert to fraction form
    1,291,261.20/1,934,587.80 = 624,944.40/x
  3. Step 3: Cross multiply
    1,291,261.20x = 1,934,587.80 × 624,944.40
  4. Step 4: Simplify right side
    1,291,261.20x = 1,209,009,811,918.32
  5. Step 5: Solve for x
    x = 1,209,009,811,918.32/1,291,261.20
  6. Step 6: Final answer
    x = 936,301.51

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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.