Home / 686,464.27-947,204.43-457,363.26

Finding the Fourth Proportional to 686,464.27, 947,204.43 and 457,363.26

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Solution

The fourth proportional to 686,464.27, 947,204.43 and 457,363.26 is: 631,083.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,464.27 : 947,204.43 = 457,363.26 : x
  2. Step 2: Convert to fraction form
    686,464.27/947,204.43 = 457,363.26/x
  3. Step 3: Cross multiply
    686,464.27x = 947,204.43 × 457,363.26
  4. Step 4: Simplify right side
    686,464.27x = 433,216,506,848.80
  5. Step 5: Solve for x
    x = 433,216,506,848.80/686,464.27
  6. Step 6: Final answer
    x = 631,083.84

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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.