Home / 712,554.06-1,068,901.02-207,119.19

Finding the Fourth Proportional to 712,554.06, 1,068,901.02 and 207,119.19

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Solution

The fourth proportional to 712,554.06, 1,068,901.02 and 207,119.19 is: 310,699.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,554.06 : 1,068,901.02 = 207,119.19 : x
  2. Step 2: Convert to fraction form
    712,554.06/1,068,901.02 = 207,119.19/x
  3. Step 3: Cross multiply
    712,554.06x = 1,068,901.02 × 207,119.19
  4. Step 4: Simplify right side
    712,554.06x = 221,389,913,452.57
  5. Step 5: Solve for x
    x = 221,389,913,452.57/712,554.06
  6. Step 6: Final answer
    x = 310,699.11

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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.