Home / 1,201,768.91-1,658,440.95-657,903.02

Finding the Fourth Proportional to 1,201,768.91, 1,658,440.95 and 657,903.02

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Solution

The fourth proportional to 1,201,768.91, 1,658,440.95 and 657,903.02 is: 907,906.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,201,768.91 : 1,658,440.95 = 657,903.02 : x
  2. Step 2: Convert to fraction form
    1,201,768.91/1,658,440.95 = 657,903.02/x
  3. Step 3: Cross multiply
    1,201,768.91x = 1,658,440.95 × 657,903.02
  4. Step 4: Simplify right side
    1,201,768.91x = 1,091,093,301,204.46
  5. Step 5: Solve for x
    x = 1,091,093,301,204.46/1,201,768.91
  6. Step 6: Final answer
    x = 907,906.08

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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.