Home / 983,111.58-1,355,994.81-656,260.02

Finding the Fourth Proportional to 983,111.58, 1,355,994.81 and 656,260.02

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Solution

The fourth proportional to 983,111.58, 1,355,994.81 and 656,260.02 is: 905,172.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,111.58 : 1,355,994.81 = 656,260.02 : x
  2. Step 2: Convert to fraction form
    983,111.58/1,355,994.81 = 656,260.02/x
  3. Step 3: Cross multiply
    983,111.58x = 1,355,994.81 × 656,260.02
  4. Step 4: Simplify right side
    983,111.58x = 889,885,181,130.50
  5. Step 5: Solve for x
    x = 889,885,181,130.50/983,111.58
  6. Step 6: Final answer
    x = 905,172.11

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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.