Home / 990,029.46-1,366,045.45-602,740.92

Finding the Fourth Proportional to 990,029.46, 1,366,045.45 and 602,740.92

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Solution

The fourth proportional to 990,029.46, 1,366,045.45 and 602,740.92 is: 831,663.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,029.46 : 1,366,045.45 = 602,740.92 : x
  2. Step 2: Convert to fraction form
    990,029.46/1,366,045.45 = 602,740.92/x
  3. Step 3: Cross multiply
    990,029.46x = 1,366,045.45 × 602,740.92
  4. Step 4: Simplify right side
    990,029.46x = 823,371,489,787.96
  5. Step 5: Solve for x
    x = 823,371,489,787.96/990,029.46
  6. Step 6: Final answer
    x = 831,663.63

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Double scale
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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.