Home / 314,545.38-471,485.70-214,457.46

Finding the Fourth Proportional to 314,545.38, 471,485.70 and 214,457.46

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Solution

The fourth proportional to 314,545.38, 471,485.70 and 214,457.46 is: 321,459.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,545.38 : 471,485.70 = 214,457.46 : x
  2. Step 2: Convert to fraction form
    314,545.38/471,485.70 = 214,457.46/x
  3. Step 3: Cross multiply
    314,545.38x = 471,485.70 × 214,457.46
  4. Step 4: Simplify right side
    314,545.38x = 101,113,625,648.32
  5. Step 5: Solve for x
    x = 101,113,625,648.32/314,545.38
  6. Step 6: Final answer
    x = 321,459.58

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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.