Home / 1,021,189.15-1,409,251.45-562,346.39

Finding the Fourth Proportional to 1,021,189.15, 1,409,251.45 and 562,346.39

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Solution

The fourth proportional to 1,021,189.15, 1,409,251.45 and 562,346.39 is: 776,043.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,189.15 : 1,409,251.45 = 562,346.39 : x
  2. Step 2: Convert to fraction form
    1,021,189.15/1,409,251.45 = 562,346.39/x
  3. Step 3: Cross multiply
    1,021,189.15x = 1,409,251.45 × 562,346.39
  4. Step 4: Simplify right side
    1,021,189.15x = 792,487,463,392.50
  5. Step 5: Solve for x
    x = 792,487,463,392.50/1,021,189.15
  6. Step 6: Final answer
    x = 776,043.76

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.