Home / 609,582.69-841,635.06-380,488.89

Finding the Fourth Proportional to 609,582.69, 841,635.06 and 380,488.89

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Solution

The fourth proportional to 609,582.69, 841,635.06 and 380,488.89 is: 525,331.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,582.69 : 841,635.06 = 380,488.89 : x
  2. Step 2: Convert to fraction form
    609,582.69/841,635.06 = 380,488.89/x
  3. Step 3: Cross multiply
    609,582.69x = 841,635.06 × 380,488.89
  4. Step 4: Simplify right side
    609,582.69x = 320,232,789,764.48
  5. Step 5: Solve for x
    x = 320,232,789,764.48/609,582.69
  6. Step 6: Final answer
    x = 525,331.17

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.