Home / 1,021,088.78-1,409,091.15-562,193.87

Finding the Fourth Proportional to 1,021,088.78, 1,409,091.15 and 562,193.87

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Solution

The fourth proportional to 1,021,088.78, 1,409,091.15 and 562,193.87 is: 775,821.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,088.78 : 1,409,091.15 = 562,193.87 : x
  2. Step 2: Convert to fraction form
    1,021,088.78/1,409,091.15 = 562,193.87/x
  3. Step 3: Cross multiply
    1,021,088.78x = 1,409,091.15 × 562,193.87
  4. Step 4: Simplify right side
    1,021,088.78x = 792,182,406,801.25
  5. Step 5: Solve for x
    x = 792,182,406,801.25/1,021,088.78
  6. Step 6: Final answer
    x = 775,821.28

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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.