Home / 670,681.95-1,006,029.01-190,909.56

Finding the Fourth Proportional to 670,681.95, 1,006,029.01 and 190,909.56

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Solution

The fourth proportional to 670,681.95, 1,006,029.01 and 190,909.56 is: 286,366.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,681.95 : 1,006,029.01 = 190,909.56 : x
  2. Step 2: Convert to fraction form
    670,681.95/1,006,029.01 = 190,909.56/x
  3. Step 3: Cross multiply
    670,681.95x = 1,006,029.01 × 190,909.56
  4. Step 4: Simplify right side
    670,681.95x = 192,060,555,646.34
  5. Step 5: Solve for x
    x = 192,060,555,646.34/670,681.95
  6. Step 6: Final answer
    x = 286,366.07

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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.