Home / 772,921.34-1,065,650.68-552,421.79

Finding the Fourth Proportional to 772,921.34, 1,065,650.68 and 552,421.79

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Solution

The fourth proportional to 772,921.34, 1,065,650.68 and 552,421.79 is: 761,641.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,921.34 : 1,065,650.68 = 552,421.79 : x
  2. Step 2: Convert to fraction form
    772,921.34/1,065,650.68 = 552,421.79/x
  3. Step 3: Cross multiply
    772,921.34x = 1,065,650.68 × 552,421.79
  4. Step 4: Simplify right side
    772,921.34x = 588,688,655,518.78
  5. Step 5: Solve for x
    x = 588,688,655,518.78/772,921.34
  6. Step 6: Final answer
    x = 761,641.10

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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.