Home / 847,188.30-1,169,127.98-465,223.08

Finding the Fourth Proportional to 847,188.30, 1,169,127.98 and 465,223.08

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Solution

The fourth proportional to 847,188.30, 1,169,127.98 and 465,223.08 is: 642,012.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,188.30 : 1,169,127.98 = 465,223.08 : x
  2. Step 2: Convert to fraction form
    847,188.30/1,169,127.98 = 465,223.08/x
  3. Step 3: Cross multiply
    847,188.30x = 1,169,127.98 × 465,223.08
  4. Step 4: Simplify right side
    847,188.30x = 543,905,317,443.66
  5. Step 5: Solve for x
    x = 543,905,317,443.66/847,188.30
  6. Step 6: Final answer
    x = 642,012.31

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.