Home / 956,336.04-1,434,159.45-316,521.72

Finding the Fourth Proportional to 956,336.04, 1,434,159.45 and 316,521.72

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Solution

The fourth proportional to 956,336.04, 1,434,159.45 and 316,521.72 is: 474,668.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,336.04 : 1,434,159.45 = 316,521.72 : x
  2. Step 2: Convert to fraction form
    956,336.04/1,434,159.45 = 316,521.72/x
  3. Step 3: Cross multiply
    956,336.04x = 1,434,159.45 × 316,521.72
  4. Step 4: Simplify right side
    956,336.04x = 453,942,615,868.25
  5. Step 5: Solve for x
    x = 453,942,615,868.25/956,336.04
  6. Step 6: Final answer
    x = 474,668.52

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Double scale
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Similar ratio
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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.