Home / 578,557.57-864,317.87-374,491.18

Finding the Fourth Proportional to 578,557.57, 864,317.87 and 374,491.18

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Solution

The fourth proportional to 578,557.57, 864,317.87 and 374,491.18 is: 559,459.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,557.57 : 864,317.87 = 374,491.18 : x
  2. Step 2: Convert to fraction form
    578,557.57/864,317.87 = 374,491.18/x
  3. Step 3: Cross multiply
    578,557.57x = 864,317.87 × 374,491.18
  4. Step 4: Simplify right side
    578,557.57x = 323,679,419,031.39
  5. Step 5: Solve for x
    x = 323,679,419,031.39/578,557.57
  6. Step 6: Final answer
    x = 559,459.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.