Home / 631,875.20-946,276.80-335,734.40

Finding the Fourth Proportional to 631,875.20, 946,276.80 and 335,734.40

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Solution

The fourth proportional to 631,875.20, 946,276.80 and 335,734.40 is: 502,785.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,875.20 : 946,276.80 = 335,734.40 : x
  2. Step 2: Convert to fraction form
    631,875.20/946,276.80 = 335,734.40/x
  3. Step 3: Cross multiply
    631,875.20x = 946,276.80 × 335,734.40
  4. Step 4: Simplify right side
    631,875.20x = 317,697,673,681.92
  5. Step 5: Solve for x
    x = 317,697,673,681.92/631,875.20
  6. Step 6: Final answer
    x = 502,785.48

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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.