Home / 983,005.16-1,355,848.19-656,153.34

Finding the Fourth Proportional to 983,005.16, 1,355,848.19 and 656,153.34

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Solution

The fourth proportional to 983,005.16, 1,355,848.19 and 656,153.34 is: 905,025.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,005.16 : 1,355,848.19 = 656,153.34 : x
  2. Step 2: Convert to fraction form
    983,005.16/1,355,848.19 = 656,153.34/x
  3. Step 3: Cross multiply
    983,005.16x = 1,355,848.19 × 656,153.34
  4. Step 4: Simplify right side
    983,005.16x = 889,644,315,120.69
  5. Step 5: Solve for x
    x = 889,644,315,120.69/983,005.16
  6. Step 6: Final answer
    x = 905,025.08

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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.