Home / 472,315.24-651,782.05-257,459.50

Finding the Fourth Proportional to 472,315.24, 651,782.05 and 257,459.50

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Solution

The fourth proportional to 472,315.24, 651,782.05 and 257,459.50 is: 355,287.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    472,315.24 : 651,782.05 = 257,459.50 : x
  2. Step 2: Convert to fraction form
    472,315.24/651,782.05 = 257,459.50/x
  3. Step 3: Cross multiply
    472,315.24x = 651,782.05 × 257,459.50
  4. Step 4: Simplify right side
    472,315.24x = 167,807,480,701.98
  5. Step 5: Solve for x
    x = 167,807,480,701.98/472,315.24
  6. Step 6: Final answer
    x = 355,287.03

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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.