Home / 1,107,561.60-1,528,372.80-654,998.40

Finding the Fourth Proportional to 1,107,561.60, 1,528,372.80 and 654,998.40

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Solution

The fourth proportional to 1,107,561.60, 1,528,372.80 and 654,998.40 is: 903,861.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,561.60 : 1,528,372.80 = 654,998.40 : x
  2. Step 2: Convert to fraction form
    1,107,561.60/1,528,372.80 = 654,998.40/x
  3. Step 3: Cross multiply
    1,107,561.60x = 1,528,372.80 × 654,998.40
  4. Step 4: Simplify right side
    1,107,561.60x = 1,001,081,738,603.52
  5. Step 5: Solve for x
    x = 1,001,081,738,603.52/1,107,561.60
  6. Step 6: Final answer
    x = 903,861.00

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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.