Home / 474,872.14-712,302.27-190,688.50

Finding the Fourth Proportional to 474,872.14, 712,302.27 and 190,688.50

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Solution

The fourth proportional to 474,872.14, 712,302.27 and 190,688.50 is: 286,030.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    474,872.14 : 712,302.27 = 190,688.50 : x
  2. Step 2: Convert to fraction form
    474,872.14/712,302.27 = 190,688.50/x
  3. Step 3: Cross multiply
    474,872.14x = 712,302.27 × 190,688.50
  4. Step 4: Simplify right side
    474,872.14x = 135,827,851,412.90
  5. Step 5: Solve for x
    x = 135,827,851,412.90/474,872.14
  6. Step 6: Final answer
    x = 286,030.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.