Home / 1,119,798.90-1,679,698.35-409,850.10

Finding the Fourth Proportional to 1,119,798.90, 1,679,698.35 and 409,850.10

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Solution

The fourth proportional to 1,119,798.90, 1,679,698.35 and 409,850.10 is: 614,775.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,798.90 : 1,679,698.35 = 409,850.10 : x
  2. Step 2: Convert to fraction form
    1,119,798.90/1,679,698.35 = 409,850.10/x
  3. Step 3: Cross multiply
    1,119,798.90x = 1,679,698.35 × 409,850.10
  4. Step 4: Simplify right side
    1,119,798.90x = 688,424,536,717.34
  5. Step 5: Solve for x
    x = 688,424,536,717.34/1,119,798.90
  6. Step 6: Final answer
    x = 614,775.15

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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.