Home / 790,347.90-1,182,022.65-664,376.70

Finding the Fourth Proportional to 790,347.90, 1,182,022.65 and 664,376.70

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Solution

The fourth proportional to 790,347.90, 1,182,022.65 and 664,376.70 is: 993,623.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,347.90 : 1,182,022.65 = 664,376.70 : x
  2. Step 2: Convert to fraction form
    790,347.90/1,182,022.65 = 664,376.70/x
  3. Step 3: Cross multiply
    790,347.90x = 1,182,022.65 × 664,376.70
  4. Step 4: Simplify right side
    790,347.90x = 785,308,307,532.26
  5. Step 5: Solve for x
    x = 785,308,307,532.26/790,347.90
  6. Step 6: Final answer
    x = 993,623.58

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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.