Home / 985,771.09-1,360,405.46-556,051.10

Finding the Fourth Proportional to 985,771.09, 1,360,405.46 and 556,051.10

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Solution

The fourth proportional to 985,771.09, 1,360,405.46 and 556,051.10 is: 767,373.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,771.09 : 1,360,405.46 = 556,051.10 : x
  2. Step 2: Convert to fraction form
    985,771.09/1,360,405.46 = 556,051.10/x
  3. Step 3: Cross multiply
    985,771.09x = 1,360,405.46 × 556,051.10
  4. Step 4: Simplify right side
    985,771.09x = 756,454,952,479.01
  5. Step 5: Solve for x
    x = 756,454,952,479.01/985,771.09
  6. Step 6: Final answer
    x = 767,373.85

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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.