Home / 896,740.80-1,345,111.20-660,544.80

Finding the Fourth Proportional to 896,740.80, 1,345,111.20 and 660,544.80

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Solution

The fourth proportional to 896,740.80, 1,345,111.20 and 660,544.80 is: 990,817.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    896,740.80 : 1,345,111.20 = 660,544.80 : x
  2. Step 2: Convert to fraction form
    896,740.80/1,345,111.20 = 660,544.80/x
  3. Step 3: Cross multiply
    896,740.80x = 1,345,111.20 × 660,544.80
  4. Step 4: Simplify right side
    896,740.80x = 888,506,208,581.76
  5. Step 5: Solve for x
    x = 888,506,208,581.76/896,740.80
  6. Step 6: Final answer
    x = 990,817.20

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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.