Home / 760,534.66-1,048,324.80-515,443.04

Finding the Fourth Proportional to 760,534.66, 1,048,324.80 and 515,443.04

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Solution

The fourth proportional to 760,534.66, 1,048,324.80 and 515,443.04 is: 710,489.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,534.66 : 1,048,324.80 = 515,443.04 : x
  2. Step 2: Convert to fraction form
    760,534.66/1,048,324.80 = 515,443.04/x
  3. Step 3: Cross multiply
    760,534.66x = 1,048,324.80 × 515,443.04
  4. Step 4: Simplify right side
    760,534.66x = 540,351,721,819.39
  5. Step 5: Solve for x
    x = 540,351,721,819.39/760,534.66
  6. Step 6: Final answer
    x = 710,489.28

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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.