Home / 1,139,466.18-1,572,288.64-655,937.90

Finding the Fourth Proportional to 1,139,466.18, 1,572,288.64 and 655,937.90

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Solution

The fourth proportional to 1,139,466.18, 1,572,288.64 and 655,937.90 is: 905,093.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,466.18 : 1,572,288.64 = 655,937.90 : x
  2. Step 2: Convert to fraction form
    1,139,466.18/1,572,288.64 = 655,937.90/x
  3. Step 3: Cross multiply
    1,139,466.18x = 1,572,288.64 × 655,937.90
  4. Step 4: Simplify right side
    1,139,466.18x = 1,031,323,697,574.32
  5. Step 5: Solve for x
    x = 1,031,323,697,574.32/1,139,466.18
  6. Step 6: Final answer
    x = 905,093.73

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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.