Home / 874,544.16-1,207,172.88-512,084.52

Finding the Fourth Proportional to 874,544.16, 1,207,172.88 and 512,084.52

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Solution

The fourth proportional to 874,544.16, 1,207,172.88 and 512,084.52 is: 706,853.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,544.16 : 1,207,172.88 = 512,084.52 : x
  2. Step 2: Convert to fraction form
    874,544.16/1,207,172.88 = 512,084.52/x
  3. Step 3: Cross multiply
    874,544.16x = 1,207,172.88 × 512,084.52
  4. Step 4: Simplify right side
    874,544.16x = 618,174,544,811.82
  5. Step 5: Solve for x
    x = 618,174,544,811.82/874,544.16
  6. Step 6: Final answer
    x = 706,853.44

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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.