Home / 831,985.06-1,248,164.30-263,400.16

Finding the Fourth Proportional to 831,985.06, 1,248,164.30 and 263,400.16

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Solution

The fourth proportional to 831,985.06, 1,248,164.30 and 263,400.16 is: 395,159.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,985.06 : 1,248,164.30 = 263,400.16 : x
  2. Step 2: Convert to fraction form
    831,985.06/1,248,164.30 = 263,400.16/x
  3. Step 3: Cross multiply
    831,985.06x = 1,248,164.30 × 263,400.16
  4. Step 4: Simplify right side
    831,985.06x = 328,766,676,326.29
  5. Step 5: Solve for x
    x = 328,766,676,326.29/831,985.06
  6. Step 6: Final answer
    x = 395,159.35

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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.