Home / 472,150.36-651,558.90-257,292.28

Finding the Fourth Proportional to 472,150.36, 651,558.90 and 257,292.28

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Solution

The fourth proportional to 472,150.36, 651,558.90 and 257,292.28 is: 355,058.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,150.36 : 651,558.90 = 257,292.28 : x
  2. Step 2: Convert to fraction form
    472,150.36/651,558.90 = 257,292.28/x
  3. Step 3: Cross multiply
    472,150.36x = 651,558.90 × 257,292.28
  4. Step 4: Simplify right side
    472,150.36x = 167,641,074,935.29
  5. Step 5: Solve for x
    x = 167,641,074,935.29/472,150.36
  6. Step 6: Final answer
    x = 355,058.66

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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.