Home / 723,897.37-999,025.70-417,986.65

Finding the Fourth Proportional to 723,897.37, 999,025.70 and 417,986.65

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Solution

The fourth proportional to 723,897.37, 999,025.70 and 417,986.65 is: 576,848.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,897.37 : 999,025.70 = 417,986.65 : x
  2. Step 2: Convert to fraction form
    723,897.37/999,025.70 = 417,986.65/x
  3. Step 3: Cross multiply
    723,897.37x = 999,025.70 × 417,986.65
  4. Step 4: Simplify right side
    723,897.37x = 417,579,401,497.41
  5. Step 5: Solve for x
    x = 417,579,401,497.41/723,897.37
  6. Step 6: Final answer
    x = 576,848.90

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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.