Home / 698,368.56-1,047,386.70-192,918.30

Finding the Fourth Proportional to 698,368.56, 1,047,386.70 and 192,918.30

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Solution

The fourth proportional to 698,368.56, 1,047,386.70 and 192,918.30 is: 289,331.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,368.56 : 1,047,386.70 = 192,918.30 : x
  2. Step 2: Convert to fraction form
    698,368.56/1,047,386.70 = 192,918.30/x
  3. Step 3: Cross multiply
    698,368.56x = 1,047,386.70 × 192,918.30
  4. Step 4: Simplify right side
    698,368.56x = 202,060,061,606.61
  5. Step 5: Solve for x
    x = 202,060,061,606.61/698,368.56
  6. Step 6: Final answer
    x = 289,331.56

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1.5x scale

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.