Home / 446,587.40-669,881.10-304,869.80

Finding the Fourth Proportional to 446,587.40, 669,881.10 and 304,869.80

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Solution

The fourth proportional to 446,587.40, 669,881.10 and 304,869.80 is: 457,304.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    446,587.40 : 669,881.10 = 304,869.80 : x
  2. Step 2: Convert to fraction form
    446,587.40/669,881.10 = 304,869.80/x
  3. Step 3: Cross multiply
    446,587.40x = 669,881.10 × 304,869.80
  4. Step 4: Simplify right side
    446,587.40x = 204,226,516,980.78
  5. Step 5: Solve for x
    x = 204,226,516,980.78/446,587.40
  6. Step 6: Final answer
    x = 457,304.70

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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.