Home / 784,466.90-1,175,587.91-328,566.98

Finding the Fourth Proportional to 784,466.90, 1,175,587.91 and 328,566.98

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Solution

The fourth proportional to 784,466.90, 1,175,587.91 and 328,566.98 is: 492,384.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,466.90 : 1,175,587.91 = 328,566.98 : x
  2. Step 2: Convert to fraction form
    784,466.90/1,175,587.91 = 328,566.98/x
  3. Step 3: Cross multiply
    784,466.90x = 1,175,587.91 × 328,566.98
  4. Step 4: Simplify right side
    784,466.90x = 386,259,369,313.21
  5. Step 5: Solve for x
    x = 386,259,369,313.21/784,466.90
  6. Step 6: Final answer
    x = 492,384.53

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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.