Home / 922,916.21-1,273,624.62-509,453.24

Finding the Fourth Proportional to 922,916.21, 1,273,624.62 and 509,453.24

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Solution

The fourth proportional to 922,916.21, 1,273,624.62 and 509,453.24 is: 703,045.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,916.21 : 1,273,624.62 = 509,453.24 : x
  2. Step 2: Convert to fraction form
    922,916.21/1,273,624.62 = 509,453.24/x
  3. Step 3: Cross multiply
    922,916.21x = 1,273,624.62 × 509,453.24
  4. Step 4: Simplify right side
    922,916.21x = 648,852,186,655.50
  5. Step 5: Solve for x
    x = 648,852,186,655.50/922,916.21
  6. Step 6: Final answer
    x = 703,045.61

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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.