Home / 874,460.34-1,206,841.36-511,862.22

Finding the Fourth Proportional to 874,460.34, 1,206,841.36 and 511,862.22

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Solution

The fourth proportional to 874,460.34, 1,206,841.36 and 511,862.22 is: 706,420.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,460.34 : 1,206,841.36 = 511,862.22 : x
  2. Step 2: Convert to fraction form
    874,460.34/1,206,841.36 = 511,862.22/x
  3. Step 3: Cross multiply
    874,460.34x = 1,206,841.36 × 511,862.22
  4. Step 4: Simplify right side
    874,460.34x = 617,736,497,717.42
  5. Step 5: Solve for x
    x = 617,736,497,717.42/874,460.34
  6. Step 6: Final answer
    x = 706,420.26

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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.