Home / 983,015.28-1,356,557.76-553,295.16

Finding the Fourth Proportional to 983,015.28, 1,356,557.76 and 553,295.16

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Solution

The fourth proportional to 983,015.28, 1,356,557.76 and 553,295.16 is: 763,545.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,015.28 : 1,356,557.76 = 553,295.16 : x
  2. Step 2: Convert to fraction form
    983,015.28/1,356,557.76 = 553,295.16/x
  3. Step 3: Cross multiply
    983,015.28x = 1,356,557.76 × 553,295.16
  4. Step 4: Simplify right side
    983,015.28x = 750,576,842,868.44
  5. Step 5: Solve for x
    x = 750,576,842,868.44/983,015.28
  6. Step 6: Final answer
    x = 763,545.45

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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.