Home / 761,536.84-1,050,927.12-422,010.76

Finding the Fourth Proportional to 761,536.84, 1,050,927.12 and 422,010.76

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Solution

The fourth proportional to 761,536.84, 1,050,927.12 and 422,010.76 is: 582,378.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,536.84 : 1,050,927.12 = 422,010.76 : x
  2. Step 2: Convert to fraction form
    761,536.84/1,050,927.12 = 422,010.76/x
  3. Step 3: Cross multiply
    761,536.84x = 1,050,927.12 × 422,010.76
  4. Step 4: Simplify right side
    761,536.84x = 443,502,552,615.81
  5. Step 5: Solve for x
    x = 443,502,552,615.81/761,536.84
  6. Step 6: Final answer
    x = 582,378.33

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Double scale
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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.