Home / 852,699.15-1,176,746.22-485,156.07

Finding the Fourth Proportional to 852,699.15, 1,176,746.22 and 485,156.07

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Solution

The fourth proportional to 852,699.15, 1,176,746.22 and 485,156.07 is: 669,527.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,699.15 : 1,176,746.22 = 485,156.07 : x
  2. Step 2: Convert to fraction form
    852,699.15/1,176,746.22 = 485,156.07/x
  3. Step 3: Cross multiply
    852,699.15x = 1,176,746.22 × 485,156.07
  4. Step 4: Simplify right side
    852,699.15x = 570,905,571,482.56
  5. Step 5: Solve for x
    x = 570,905,571,482.56/852,699.15
  6. Step 6: Final answer
    x = 669,527.55

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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.