Home / 1,155,091.78-1,593,386.85-671,603.50

Finding the Fourth Proportional to 1,155,091.78, 1,593,386.85 and 671,603.50

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Solution

The fourth proportional to 1,155,091.78, 1,593,386.85 and 671,603.50 is: 926,440.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,091.78 : 1,593,386.85 = 671,603.50 : x
  2. Step 2: Convert to fraction form
    1,155,091.78/1,593,386.85 = 671,603.50/x
  3. Step 3: Cross multiply
    1,155,091.78x = 1,593,386.85 × 671,603.50
  4. Step 4: Simplify right side
    1,155,091.78x = 1,070,124,185,313.98
  5. Step 5: Solve for x
    x = 1,070,124,185,313.98/1,155,091.78
  6. Step 6: Final answer
    x = 926,440.83

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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.