Home / 922,821.40-1,384,232.10-907,269.40

Finding the Fourth Proportional to 922,821.40, 1,384,232.10 and 907,269.40

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Solution

The fourth proportional to 922,821.40, 1,384,232.10 and 907,269.40 is: 1,360,904.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,821.40 : 1,384,232.10 = 907,269.40 : x
  2. Step 2: Convert to fraction form
    922,821.40/1,384,232.10 = 907,269.40/x
  3. Step 3: Cross multiply
    922,821.40x = 1,384,232.10 × 907,269.40
  4. Step 4: Simplify right side
    922,821.40x = 1,255,871,426,827.74
  5. Step 5: Solve for x
    x = 1,255,871,426,827.74/922,821.40
  6. Step 6: Final answer
    x = 1,360,904.10

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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.