Home / 879,065.31-1,213,117.46-476,657.31

Finding the Fourth Proportional to 879,065.31, 1,213,117.46 and 476,657.31

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Solution

The fourth proportional to 879,065.31, 1,213,117.46 and 476,657.31 is: 657,791.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    879,065.31 : 1,213,117.46 = 476,657.31 : x
  2. Step 2: Convert to fraction form
    879,065.31/1,213,117.46 = 476,657.31/x
  3. Step 3: Cross multiply
    879,065.31x = 1,213,117.46 × 476,657.31
  4. Step 4: Simplify right side
    879,065.31x = 578,241,305,197.63
  5. Step 5: Solve for x
    x = 578,241,305,197.63/879,065.31
  6. Step 6: Final answer
    x = 657,791.06

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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.