Home / 740,972.04-1,022,535-401,439.48

Finding the Fourth Proportional to 740,972.04, 1,022,535 and 401,439.48

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Solution

The fourth proportional to 740,972.04, 1,022,535 and 401,439.48 is: 553,983.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,972.04 : 1,022,535 = 401,439.48 : x
  2. Step 2: Convert to fraction form
    740,972.04/1,022,535 = 401,439.48/x
  3. Step 3: Cross multiply
    740,972.04x = 1,022,535 × 401,439.48
  4. Step 4: Simplify right side
    740,972.04x = 410,485,918,681.80
  5. Step 5: Solve for x
    x = 410,485,918,681.80/740,972.04
  6. Step 6: Final answer
    x = 553,983.01

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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.