Home / 878,048.60-1,211,704.46-496,075.24

Finding the Fourth Proportional to 878,048.60, 1,211,704.46 and 496,075.24

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Solution

The fourth proportional to 878,048.60, 1,211,704.46 and 496,075.24 is: 684,582.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,048.60 : 1,211,704.46 = 496,075.24 : x
  2. Step 2: Convert to fraction form
    878,048.60/1,211,704.46 = 496,075.24/x
  3. Step 3: Cross multiply
    878,048.60x = 1,211,704.46 × 496,075.24
  4. Step 4: Simplify right side
    878,048.60x = 601,096,580,803.57
  5. Step 5: Solve for x
    x = 601,096,580,803.57/878,048.60
  6. Step 6: Final answer
    x = 684,582.36

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Double scale
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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.