Home / 472,451.85-651,986.67-257,595.51

Finding the Fourth Proportional to 472,451.85, 651,986.67 and 257,595.51

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Solution

The fourth proportional to 472,451.85, 651,986.67 and 257,595.51 is: 355,483.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,451.85 : 651,986.67 = 257,595.51 : x
  2. Step 2: Convert to fraction form
    472,451.85/651,986.67 = 257,595.51/x
  3. Step 3: Cross multiply
    472,451.85x = 651,986.67 × 257,595.51
  4. Step 4: Simplify right side
    472,451.85x = 167,948,838,771.85
  5. Step 5: Solve for x
    x = 167,948,838,771.85/472,451.85
  6. Step 6: Final answer
    x = 355,483.50

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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.