Home / 971,376.46-1,457,240.01-439,148.14

Finding the Fourth Proportional to 971,376.46, 1,457,240.01 and 439,148.14

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Solution

The fourth proportional to 971,376.46, 1,457,240.01 and 439,148.14 is: 658,801.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,376.46 : 1,457,240.01 = 439,148.14 : x
  2. Step 2: Convert to fraction form
    971,376.46/1,457,240.01 = 439,148.14/x
  3. Step 3: Cross multiply
    971,376.46x = 1,457,240.01 × 439,148.14
  4. Step 4: Simplify right side
    971,376.46x = 639,944,239,925.08
  5. Step 5: Solve for x
    x = 639,944,239,925.08/971,376.46
  6. Step 6: Final answer
    x = 658,801.47

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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.