Home / 976,723.90-1,347,814.80-546,905.50

Finding the Fourth Proportional to 976,723.90, 1,347,814.80 and 546,905.50

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Solution

The fourth proportional to 976,723.90, 1,347,814.80 and 546,905.50 is: 754,693.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,723.90 : 1,347,814.80 = 546,905.50 : x
  2. Step 2: Convert to fraction form
    976,723.90/1,347,814.80 = 546,905.50/x
  3. Step 3: Cross multiply
    976,723.90x = 1,347,814.80 × 546,905.50
  4. Step 4: Simplify right side
    976,723.90x = 737,127,327,101.40
  5. Step 5: Solve for x
    x = 737,127,327,101.40/976,723.90
  6. Step 6: Final answer
    x = 754,693.65

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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.