Home / 730,260.24-1,007,759.04-407,970.42

Finding the Fourth Proportional to 730,260.24, 1,007,759.04 and 407,970.42

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Solution

The fourth proportional to 730,260.24, 1,007,759.04 and 407,970.42 is: 562,999.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,260.24 : 1,007,759.04 = 407,970.42 : x
  2. Step 2: Convert to fraction form
    730,260.24/1,007,759.04 = 407,970.42/x
  3. Step 3: Cross multiply
    730,260.24x = 1,007,759.04 × 407,970.42
  4. Step 4: Simplify right side
    730,260.24x = 411,135,878,807.60
  5. Step 5: Solve for x
    x = 411,135,878,807.60/730,260.24
  6. Step 6: Final answer
    x = 562,999.13

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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.