Home / 698,985.49-1,048,476.47-193,544.78

Finding the Fourth Proportional to 698,985.49, 1,048,476.47 and 193,544.78

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Solution

The fourth proportional to 698,985.49, 1,048,476.47 and 193,544.78 is: 290,316.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,985.49 : 1,048,476.47 = 193,544.78 : x
  2. Step 2: Convert to fraction form
    698,985.49/1,048,476.47 = 193,544.78/x
  3. Step 3: Cross multiply
    698,985.49x = 1,048,476.47 × 193,544.78
  4. Step 4: Simplify right side
    698,985.49x = 202,927,148,497.59
  5. Step 5: Solve for x
    x = 202,927,148,497.59/698,985.49
  6. Step 6: Final answer
    x = 290,316.68

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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.