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Finding the Fourth Proportional to 1,014,978.04, 1,518,259.38 and 773,263

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Solution

The fourth proportional to 1,014,978.04, 1,518,259.38 and 773,263 is: 1,156,688.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,978.04 : 1,518,259.38 = 773,263 : x
  2. Step 2: Convert to fraction form
    1,014,978.04/1,518,259.38 = 773,263/x
  3. Step 3: Cross multiply
    1,014,978.04x = 1,518,259.38 × 773,263
  4. Step 4: Simplify right side
    1,014,978.04x = 1,174,013,802,956.94
  5. Step 5: Solve for x
    x = 1,174,013,802,956.94/1,014,978.04
  6. Step 6: Final answer
    x = 1,156,688.87

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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.