Home / 1,257,303.16-1,885,908.30-547,332.76

Finding the Fourth Proportional to 1,257,303.16, 1,885,908.30 and 547,332.76

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Solution

The fourth proportional to 1,257,303.16, 1,885,908.30 and 547,332.76 is: 820,978.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,303.16 : 1,885,908.30 = 547,332.76 : x
  2. Step 2: Convert to fraction form
    1,257,303.16/1,885,908.30 = 547,332.76/x
  3. Step 3: Cross multiply
    1,257,303.16x = 1,885,908.30 × 547,332.76
  4. Step 4: Simplify right side
    1,257,303.16x = 1,032,219,394,945.91
  5. Step 5: Solve for x
    x = 1,032,219,394,945.91/1,257,303.16
  6. Step 6: Final answer
    x = 820,978.92

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.