Home / 423,576.51-634,938.28-186,877.50

Finding the Fourth Proportional to 423,576.51, 634,938.28 and 186,877.50

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Solution

The fourth proportional to 423,576.51, 634,938.28 and 186,877.50 is: 280,128.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,576.51 : 634,938.28 = 186,877.50 : x
  2. Step 2: Convert to fraction form
    423,576.51/634,938.28 = 186,877.50/x
  3. Step 3: Cross multiply
    423,576.51x = 634,938.28 × 186,877.50
  4. Step 4: Simplify right side
    423,576.51x = 118,655,675,572.49
  5. Step 5: Solve for x
    x = 118,655,675,572.49/423,576.51
  6. Step 6: Final answer
    x = 280,128.09

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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.