Home / 574,939.14-787,669.47-553,390.71

Finding the Fourth Proportional to 574,939.14, 787,669.47 and 553,390.71

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Solution

The fourth proportional to 574,939.14, 787,669.47 and 553,390.71 is: 758,148.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,939.14 : 787,669.47 = 553,390.71 : x
  2. Step 2: Convert to fraction form
    574,939.14/787,669.47 = 553,390.71/x
  3. Step 3: Cross multiply
    574,939.14x = 787,669.47 × 553,390.71
  4. Step 4: Simplify right side
    574,939.14x = 435,888,963,310.28
  5. Step 5: Solve for x
    x = 435,888,963,310.28/574,939.14
  6. Step 6: Final answer
    x = 758,148.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.