Home / 891,847.80-1,335,698.10-609,838.20

Finding the Fourth Proportional to 891,847.80, 1,335,698.10 and 609,838.20

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Solution

The fourth proportional to 891,847.80, 1,335,698.10 and 609,838.20 is: 913,339.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,847.80 : 1,335,698.10 = 609,838.20 : x
  2. Step 2: Convert to fraction form
    891,847.80/1,335,698.10 = 609,838.20/x
  3. Step 3: Cross multiply
    891,847.80x = 1,335,698.10 × 609,838.20
  4. Step 4: Simplify right side
    891,847.80x = 814,559,725,047.42
  5. Step 5: Solve for x
    x = 814,559,725,047.42/891,847.80
  6. Step 6: Final answer
    x = 913,339.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.