Home / 730,061.65-1,007,474.35-407,776.45

Finding the Fourth Proportional to 730,061.65, 1,007,474.35 and 407,776.45

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Solution

The fourth proportional to 730,061.65, 1,007,474.35 and 407,776.45 is: 562,725.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,061.65 : 1,007,474.35 = 407,776.45 : x
  2. Step 2: Convert to fraction form
    730,061.65/1,007,474.35 = 407,776.45/x
  3. Step 3: Cross multiply
    730,061.65x = 1,007,474.35 × 407,776.45
  4. Step 4: Simplify right side
    730,061.65x = 410,824,313,909.06
  5. Step 5: Solve for x
    x = 410,824,313,909.06/730,061.65
  6. Step 6: Final answer
    x = 562,725.51

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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.