Home / 885,774.35-1,326,663.93-411,461.57

Finding the Fourth Proportional to 885,774.35, 1,326,663.93 and 411,461.57

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Solution

The fourth proportional to 885,774.35, 1,326,663.93 and 411,461.57 is: 616,264.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,774.35 : 1,326,663.93 = 411,461.57 : x
  2. Step 2: Convert to fraction form
    885,774.35/1,326,663.93 = 411,461.57/x
  3. Step 3: Cross multiply
    885,774.35x = 1,326,663.93 × 411,461.57
  4. Step 4: Simplify right side
    885,774.35x = 545,871,228,359.81
  5. Step 5: Solve for x
    x = 545,871,228,359.81/885,774.35
  6. Step 6: Final answer
    x = 616,264.43

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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.