Home / 657,923.40-986,119.65-302,973.30

Finding the Fourth Proportional to 657,923.40, 986,119.65 and 302,973.30

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Solution

The fourth proportional to 657,923.40, 986,119.65 and 302,973.30 is: 454,107.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,923.40 : 986,119.65 = 302,973.30 : x
  2. Step 2: Convert to fraction form
    657,923.40/986,119.65 = 302,973.30/x
  3. Step 3: Cross multiply
    657,923.40x = 986,119.65 × 302,973.30
  4. Step 4: Simplify right side
    657,923.40x = 298,767,924,555.35
  5. Step 5: Solve for x
    x = 298,767,924,555.35/657,923.40
  6. Step 6: Final answer
    x = 454,107.46

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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.