Home / 847,734.37-1,169,869.98-485,156.50

Finding the Fourth Proportional to 847,734.37, 1,169,869.98 and 485,156.50

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Solution

The fourth proportional to 847,734.37, 1,169,869.98 and 485,156.50 is: 669,514.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,734.37 : 1,169,869.98 = 485,156.50 : x
  2. Step 2: Convert to fraction form
    847,734.37/1,169,869.98 = 485,156.50/x
  3. Step 3: Cross multiply
    847,734.37x = 1,169,869.98 × 485,156.50
  4. Step 4: Simplify right side
    847,734.37x = 567,570,024,951.87
  5. Step 5: Solve for x
    x = 567,570,024,951.87/847,734.37
  6. Step 6: Final answer
    x = 669,514.00

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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.