Home / 705,869.28-974,097.54-383,579.46

Finding the Fourth Proportional to 705,869.28, 974,097.54 and 383,579.46

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Solution

The fourth proportional to 705,869.28, 974,097.54 and 383,579.46 is: 529,338.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,869.28 : 974,097.54 = 383,579.46 : x
  2. Step 2: Convert to fraction form
    705,869.28/974,097.54 = 383,579.46/x
  3. Step 3: Cross multiply
    705,869.28x = 974,097.54 × 383,579.46
  4. Step 4: Simplify right side
    705,869.28x = 373,643,808,380.53
  5. Step 5: Solve for x
    x = 373,643,808,380.53/705,869.28
  6. Step 6: Final answer
    x = 529,338.53

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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.