Home / 1,289,766.30-1,934,649.45-403,302.30

Finding the Fourth Proportional to 1,289,766.30, 1,934,649.45 and 403,302.30

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Solution

The fourth proportional to 1,289,766.30, 1,934,649.45 and 403,302.30 is: 604,953.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,766.30 : 1,934,649.45 = 403,302.30 : x
  2. Step 2: Convert to fraction form
    1,289,766.30/1,934,649.45 = 403,302.30/x
  3. Step 3: Cross multiply
    1,289,766.30x = 1,934,649.45 × 403,302.30
  4. Step 4: Simplify right side
    1,289,766.30x = 780,248,572,878.74
  5. Step 5: Solve for x
    x = 780,248,572,878.74/1,289,766.30
  6. Step 6: Final answer
    x = 604,953.45

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Double scale
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Similar ratio
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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.