Home / 1,036,417.44-1,555,512.30-405,774.12

Finding the Fourth Proportional to 1,036,417.44, 1,555,512.30 and 405,774.12

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Solution

The fourth proportional to 1,036,417.44, 1,555,512.30 and 405,774.12 is: 609,008.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,417.44 : 1,555,512.30 = 405,774.12 : x
  2. Step 2: Convert to fraction form
    1,036,417.44/1,555,512.30 = 405,774.12/x
  3. Step 3: Cross multiply
    1,036,417.44x = 1,555,512.30 × 405,774.12
  4. Step 4: Simplify right side
    1,036,417.44x = 631,186,634,681.68
  5. Step 5: Solve for x
    x = 631,186,634,681.68/1,036,417.44
  6. Step 6: Final answer
    x = 609,008.12

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Double scale
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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.