Home / 847,570.10-1,169,848.51-485,203.37

Finding the Fourth Proportional to 847,570.10, 1,169,848.51 and 485,203.37

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Solution

The fourth proportional to 847,570.10, 1,169,848.51 and 485,203.37 is: 669,696.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,570.10 : 1,169,848.51 = 485,203.37 : x
  2. Step 2: Convert to fraction form
    847,570.10/1,169,848.51 = 485,203.37/x
  3. Step 3: Cross multiply
    847,570.10x = 1,169,848.51 × 485,203.37
  4. Step 4: Simplify right side
    847,570.10x = 567,614,432,379.23
  5. Step 5: Solve for x
    x = 567,614,432,379.23/847,570.10
  6. Step 6: Final answer
    x = 669,696.15

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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.