Home / 651,929.50-899,665.95-380,185.84

Finding the Fourth Proportional to 651,929.50, 899,665.95 and 380,185.84

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Solution

The fourth proportional to 651,929.50, 899,665.95 and 380,185.84 is: 524,658.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,929.50 : 899,665.95 = 380,185.84 : x
  2. Step 2: Convert to fraction form
    651,929.50/899,665.95 = 380,185.84/x
  3. Step 3: Cross multiply
    651,929.50x = 899,665.95 × 380,185.84
  4. Step 4: Simplify right side
    651,929.50x = 342,040,254,920.15
  5. Step 5: Solve for x
    x = 342,040,254,920.15/651,929.50
  6. Step 6: Final answer
    x = 524,658.35

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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.