Home / 840,952.63-1,260,543.06-419,342.77

Finding the Fourth Proportional to 840,952.63, 1,260,543.06 and 419,342.77

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Solution

The fourth proportional to 840,952.63, 1,260,543.06 and 419,342.77 is: 628,572.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,952.63 : 1,260,543.06 = 419,342.77 : x
  2. Step 2: Convert to fraction form
    840,952.63/1,260,543.06 = 419,342.77/x
  3. Step 3: Cross multiply
    840,952.63x = 1,260,543.06 × 419,342.77
  4. Step 4: Simplify right side
    840,952.63x = 528,599,620,060.36
  5. Step 5: Solve for x
    x = 528,599,620,060.36/840,952.63
  6. Step 6: Final answer
    x = 628,572.41

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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.