Home / 753,210.19-1,039,426.73-409,043.42

Finding the Fourth Proportional to 753,210.19, 1,039,426.73 and 409,043.42

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Solution

The fourth proportional to 753,210.19, 1,039,426.73 and 409,043.42 is: 564,478.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,210.19 : 1,039,426.73 = 409,043.42 : x
  2. Step 2: Convert to fraction form
    753,210.19/1,039,426.73 = 409,043.42/x
  3. Step 3: Cross multiply
    753,210.19x = 1,039,426.73 × 409,043.42
  4. Step 4: Simplify right side
    753,210.19x = 425,170,662,668.03
  5. Step 5: Solve for x
    x = 425,170,662,668.03/753,210.19
  6. Step 6: Final answer
    x = 564,478.11

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.