Home / 956,308.07-1,434,117.42-316,493.60

Finding the Fourth Proportional to 956,308.07, 1,434,117.42 and 316,493.60

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Solution

The fourth proportional to 956,308.07, 1,434,117.42 and 316,493.60 is: 474,626.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,308.07 : 1,434,117.42 = 316,493.60 : x
  2. Step 2: Convert to fraction form
    956,308.07/1,434,117.42 = 316,493.60/x
  3. Step 3: Cross multiply
    956,308.07x = 1,434,117.42 × 316,493.60
  4. Step 4: Simplify right side
    956,308.07x = 453,888,977,907.93
  5. Step 5: Solve for x
    x = 453,888,977,907.93/956,308.07
  6. Step 6: Final answer
    x = 474,626.32

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Double scale
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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.