Home / 989,871.40-1,484,807.10-635,577.40

Finding the Fourth Proportional to 989,871.40, 1,484,807.10 and 635,577.40

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Solution

The fourth proportional to 989,871.40, 1,484,807.10 and 635,577.40 is: 953,366.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,871.40 : 1,484,807.10 = 635,577.40 : x
  2. Step 2: Convert to fraction form
    989,871.40/1,484,807.10 = 635,577.40/x
  3. Step 3: Cross multiply
    989,871.40x = 1,484,807.10 × 635,577.40
  4. Step 4: Simplify right side
    989,871.40x = 943,709,836,119.54
  5. Step 5: Solve for x
    x = 943,709,836,119.54/989,871.40
  6. Step 6: Final answer
    x = 953,366.10

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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.