Home / 913,280.79-1,364,321.07-658,385.94

Finding the Fourth Proportional to 913,280.79, 1,364,321.07 and 658,385.94

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Solution

The fourth proportional to 913,280.79, 1,364,321.07 and 658,385.94 is: 983,541.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,280.79 : 1,364,321.07 = 658,385.94 : x
  2. Step 2: Convert to fraction form
    913,280.79/1,364,321.07 = 658,385.94/x
  3. Step 3: Cross multiply
    913,280.79x = 1,364,321.07 × 658,385.94
  4. Step 4: Simplify right side
    913,280.79x = 898,249,810,133.76
  5. Step 5: Solve for x
    x = 898,249,810,133.76/913,280.79
  6. Step 6: Final answer
    x = 983,541.78

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.