Home / 753,500.37-1,039,826.28-409,333.32

Finding the Fourth Proportional to 753,500.37, 1,039,826.28 and 409,333.32

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Solution

The fourth proportional to 753,500.37, 1,039,826.28 and 409,333.32 is: 564,877.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,500.37 : 1,039,826.28 = 409,333.32 : x
  2. Step 2: Convert to fraction form
    753,500.37/1,039,826.28 = 409,333.32/x
  3. Step 3: Cross multiply
    753,500.37x = 1,039,826.28 × 409,333.32
  4. Step 4: Simplify right side
    753,500.37x = 425,635,543,415.65
  5. Step 5: Solve for x
    x = 425,635,543,415.65/753,500.37
  6. Step 6: Final answer
    x = 564,877.68

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1.5x scale

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.