Home / 852,939.84-1,177,056.96-470,967.36

Finding the Fourth Proportional to 852,939.84, 1,177,056.96 and 470,967.36

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Solution

The fourth proportional to 852,939.84, 1,177,056.96 and 470,967.36 is: 649,934.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,939.84 : 1,177,056.96 = 470,967.36 : x
  2. Step 2: Convert to fraction form
    852,939.84/1,177,056.96 = 470,967.36/x
  3. Step 3: Cross multiply
    852,939.84x = 1,177,056.96 × 470,967.36
  4. Step 4: Simplify right side
    852,939.84x = 554,355,409,020.83
  5. Step 5: Solve for x
    x = 554,355,409,020.83/852,939.84
  6. Step 6: Final answer
    x = 649,934.95

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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.