Home / 738,066.60-1,106,408.70-578,053.80

Finding the Fourth Proportional to 738,066.60, 1,106,408.70 and 578,053.80

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Solution

The fourth proportional to 738,066.60, 1,106,408.70 and 578,053.80 is: 866,539.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,066.60 : 1,106,408.70 = 578,053.80 : x
  2. Step 2: Convert to fraction form
    738,066.60/1,106,408.70 = 578,053.80/x
  3. Step 3: Cross multiply
    738,066.60x = 1,106,408.70 × 578,053.80
  4. Step 4: Simplify right side
    738,066.60x = 639,563,753,388.06
  5. Step 5: Solve for x
    x = 639,563,753,388.06/738,066.60
  6. Step 6: Final answer
    x = 866,539.35

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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.