Home / 670,579.08-925,423.47-384,154.53

Finding the Fourth Proportional to 670,579.08, 925,423.47 and 384,154.53

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Solution

The fourth proportional to 670,579.08, 925,423.47 and 384,154.53 is: 530,147.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,579.08 : 925,423.47 = 384,154.53 : x
  2. Step 2: Convert to fraction form
    670,579.08/925,423.47 = 384,154.53/x
  3. Step 3: Cross multiply
    670,579.08x = 925,423.47 × 384,154.53
  4. Step 4: Simplify right side
    670,579.08x = 355,505,618,168.82
  5. Step 5: Solve for x
    x = 355,505,618,168.82/670,579.08
  6. Step 6: Final answer
    x = 530,147.19

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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.