Home / 1,029,126.73-1,420,203.29-570,248.96

Finding the Fourth Proportional to 1,029,126.73, 1,420,203.29 and 570,248.96

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Solution

The fourth proportional to 1,029,126.73, 1,420,203.29 and 570,248.96 is: 786,948.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,126.73 : 1,420,203.29 = 570,248.96 : x
  2. Step 2: Convert to fraction form
    1,029,126.73/1,420,203.29 = 570,248.96/x
  3. Step 3: Cross multiply
    1,029,126.73x = 1,420,203.29 × 570,248.96
  4. Step 4: Simplify right side
    1,029,126.73x = 809,869,444,484.58
  5. Step 5: Solve for x
    x = 809,869,444,484.58/1,029,126.73
  6. Step 6: Final answer
    x = 786,948.22

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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.