Home / 763,885.84-1,053,723.75-476,907.70

Finding the Fourth Proportional to 763,885.84, 1,053,723.75 and 476,907.70

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Solution

The fourth proportional to 763,885.84, 1,053,723.75 and 476,907.70 is: 657,858.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,885.84 : 1,053,723.75 = 476,907.70 : x
  2. Step 2: Convert to fraction form
    763,885.84/1,053,723.75 = 476,907.70/x
  3. Step 3: Cross multiply
    763,885.84x = 1,053,723.75 × 476,907.70
  4. Step 4: Simplify right side
    763,885.84x = 502,528,970,047.88
  5. Step 5: Solve for x
    x = 502,528,970,047.88/763,885.84
  6. Step 6: Final answer
    x = 657,858.73

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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.