Home / 1,119,867.83-1,545,373.08-661,130.16

Finding the Fourth Proportional to 1,119,867.83, 1,545,373.08 and 661,130.16

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Solution

The fourth proportional to 1,119,867.83, 1,545,373.08 and 661,130.16 is: 912,333.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,867.83 : 1,545,373.08 = 661,130.16 : x
  2. Step 2: Convert to fraction form
    1,119,867.83/1,545,373.08 = 661,130.16/x
  3. Step 3: Cross multiply
    1,119,867.83x = 1,545,373.08 × 661,130.16
  4. Step 4: Simplify right side
    1,119,867.83x = 1,021,692,751,640.09
  5. Step 5: Solve for x
    x = 1,021,692,751,640.09/1,119,867.83
  6. Step 6: Final answer
    x = 912,333.34

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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.