Home / 971,365.46-1,457,223.51-439,137.14

Finding the Fourth Proportional to 971,365.46, 1,457,223.51 and 439,137.14

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Solution

The fourth proportional to 971,365.46, 1,457,223.51 and 439,137.14 is: 658,784.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,365.46 : 1,457,223.51 = 439,137.14 : x
  2. Step 2: Convert to fraction form
    971,365.46/1,457,223.51 = 439,137.14/x
  3. Step 3: Cross multiply
    971,365.46x = 1,457,223.51 × 439,137.14
  4. Step 4: Simplify right side
    971,365.46x = 639,920,964,522.16
  5. Step 5: Solve for x
    x = 639,920,964,522.16/971,365.46
  6. Step 6: Final answer
    x = 658,784.97

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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.