Home / 917,673.60-1,266,354.39-509,801.10

Finding the Fourth Proportional to 917,673.60, 1,266,354.39 and 509,801.10

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Solution

The fourth proportional to 917,673.60, 1,266,354.39 and 509,801.10 is: 703,505.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,673.60 : 1,266,354.39 = 509,801.10 : x
  2. Step 2: Convert to fraction form
    917,673.60/1,266,354.39 = 509,801.10/x
  3. Step 3: Cross multiply
    917,673.60x = 1,266,354.39 × 509,801.10
  4. Step 4: Simplify right side
    917,673.60x = 645,588,861,011.83
  5. Step 5: Solve for x
    x = 645,588,861,011.83/917,673.60
  6. Step 6: Final answer
    x = 703,505.98

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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.