Home / 710,701.46-1,065,895.20-205,152.56

Finding the Fourth Proportional to 710,701.46, 1,065,895.20 and 205,152.56

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Solution

The fourth proportional to 710,701.46, 1,065,895.20 and 205,152.56 is: 307,683.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,701.46 : 1,065,895.20 = 205,152.56 : x
  2. Step 2: Convert to fraction form
    710,701.46/1,065,895.20 = 205,152.56/x
  3. Step 3: Cross multiply
    710,701.46x = 1,065,895.20 × 205,152.56
  4. Step 4: Simplify right side
    710,701.46x = 218,671,128,971.71
  5. Step 5: Solve for x
    x = 218,671,128,971.71/710,701.46
  6. Step 6: Final answer
    x = 307,683.52

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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.