Home / 1,771,572.60-2,657,358.90-509,326.20

Finding the Fourth Proportional to 1,771,572.60, 2,657,358.90 and 509,326.20

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Solution

The fourth proportional to 1,771,572.60, 2,657,358.90 and 509,326.20 is: 763,989.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,771,572.60 : 2,657,358.90 = 509,326.20 : x
  2. Step 2: Convert to fraction form
    1,771,572.60/2,657,358.90 = 509,326.20/x
  3. Step 3: Cross multiply
    1,771,572.60x = 2,657,358.90 × 509,326.20
  4. Step 4: Simplify right side
    1,771,572.60x = 1,353,462,510,573.18
  5. Step 5: Solve for x
    x = 1,353,462,510,573.18/1,771,572.60
  6. Step 6: Final answer
    x = 763,989.30

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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.