Home / 700,097.23-966,153.72-428,160.25

Finding the Fourth Proportional to 700,097.23, 966,153.72 and 428,160.25

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Solution

The fourth proportional to 700,097.23, 966,153.72 and 428,160.25 is: 590,873.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,097.23 : 966,153.72 = 428,160.25 : x
  2. Step 2: Convert to fraction form
    700,097.23/966,153.72 = 428,160.25/x
  3. Step 3: Cross multiply
    700,097.23x = 966,153.72 × 428,160.25
  4. Step 4: Simplify right side
    700,097.23x = 413,668,618,293.63
  5. Step 5: Solve for x
    x = 413,668,618,293.63/700,097.23
  6. Step 6: Final answer
    x = 590,873.10

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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.