Home / 922,916.30-1,273,624.53-509,453.18

Finding the Fourth Proportional to 922,916.30, 1,273,624.53 and 509,453.18

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Solution

The fourth proportional to 922,916.30, 1,273,624.53 and 509,453.18 is: 703,045.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,916.30 : 1,273,624.53 = 509,453.18 : x
  2. Step 2: Convert to fraction form
    922,916.30/1,273,624.53 = 509,453.18/x
  3. Step 3: Cross multiply
    922,916.30x = 1,273,624.53 × 509,453.18
  4. Step 4: Simplify right side
    922,916.30x = 648,852,073,103.64
  5. Step 5: Solve for x
    x = 648,852,073,103.64/922,916.30
  6. Step 6: Final answer
    x = 703,045.42

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1.5x scale

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.