Home / 817,057.31-1,127,459.93-472,824.86

Finding the Fourth Proportional to 817,057.31, 1,127,459.93 and 472,824.86

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Solution

The fourth proportional to 817,057.31, 1,127,459.93 and 472,824.86 is: 652,452.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,057.31 : 1,127,459.93 = 472,824.86 : x
  2. Step 2: Convert to fraction form
    817,057.31/1,127,459.93 = 472,824.86/x
  3. Step 3: Cross multiply
    817,057.31x = 1,127,459.93 × 472,824.86
  4. Step 4: Simplify right side
    817,057.31x = 533,091,075,556.44
  5. Step 5: Solve for x
    x = 533,091,075,556.44/817,057.31
  6. Step 6: Final answer
    x = 652,452.49

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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.