Home / 716,094.16-988,235.30-393,829.20

Finding the Fourth Proportional to 716,094.16, 988,235.30 and 393,829.20

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Solution

The fourth proportional to 716,094.16, 988,235.30 and 393,829.20 is: 543,498.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,094.16 : 988,235.30 = 393,829.20 : x
  2. Step 2: Convert to fraction form
    716,094.16/988,235.30 = 393,829.20/x
  3. Step 3: Cross multiply
    716,094.16x = 988,235.30 × 393,829.20
  4. Step 4: Simplify right side
    716,094.16x = 389,195,917,610.76
  5. Step 5: Solve for x
    x = 389,195,917,610.76/716,094.16
  6. Step 6: Final answer
    x = 543,498.24

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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.