Home / 648,948.17-973,671.54-457,006.80

Finding the Fourth Proportional to 648,948.17, 973,671.54 and 457,006.80

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Solution

The fourth proportional to 648,948.17, 973,671.54 and 457,006.80 is: 685,685.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,948.17 : 973,671.54 = 457,006.80 : x
  2. Step 2: Convert to fraction form
    648,948.17/973,671.54 = 457,006.80/x
  3. Step 3: Cross multiply
    648,948.17x = 973,671.54 × 457,006.80
  4. Step 4: Simplify right side
    648,948.17x = 444,974,509,837.84
  5. Step 5: Solve for x
    x = 444,974,509,837.84/648,948.17
  6. Step 6: Final answer
    x = 685,685.75

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1.5x scale

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.