Home / 1,141,253.10-1,710,665.73-430,978.86

Finding the Fourth Proportional to 1,141,253.10, 1,710,665.73 and 430,978.86

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Solution

The fourth proportional to 1,141,253.10, 1,710,665.73 and 430,978.86 is: 646,009.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,141,253.10 : 1,710,665.73 = 430,978.86 : x
  2. Step 2: Convert to fraction form
    1,141,253.10/1,710,665.73 = 430,978.86/x
  3. Step 3: Cross multiply
    1,141,253.10x = 1,710,665.73 × 430,978.86
  4. Step 4: Simplify right side
    1,141,253.10x = 737,260,766,156.47
  5. Step 5: Solve for x
    x = 737,260,766,156.47/1,141,253.10
  6. Step 6: Final answer
    x = 646,009.87

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1.5x scale

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.