Home / 906,975.95-1,360,463.93-330,642.47

Finding the Fourth Proportional to 906,975.95, 1,360,463.93 and 330,642.47

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Solution

The fourth proportional to 906,975.95, 1,360,463.93 and 330,642.47 is: 495,963.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,975.95 : 1,360,463.93 = 330,642.47 : x
  2. Step 2: Convert to fraction form
    906,975.95/1,360,463.93 = 330,642.47/x
  3. Step 3: Cross multiply
    906,975.95x = 1,360,463.93 × 330,642.47
  4. Step 4: Simplify right side
    906,975.95x = 449,827,154,161.11
  5. Step 5: Solve for x
    x = 449,827,154,161.11/906,975.95
  6. Step 6: Final answer
    x = 495,963.71

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1.5x scale

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.