Home / 874,528.84-1,207,151.79-512,069.23

Finding the Fourth Proportional to 874,528.84, 1,207,151.79 and 512,069.23

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Solution

The fourth proportional to 874,528.84, 1,207,151.79 and 512,069.23 is: 706,832.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,528.84 : 1,207,151.79 = 512,069.23 : x
  2. Step 2: Convert to fraction form
    874,528.84/1,207,151.79 = 512,069.23/x
  3. Step 3: Cross multiply
    874,528.84x = 1,207,151.79 × 512,069.23
  4. Step 4: Simplify right side
    874,528.84x = 618,145,281,562.66
  5. Step 5: Solve for x
    x = 618,145,281,562.66/874,528.84
  6. Step 6: Final answer
    x = 706,832.36

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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.