Home / 710,428.95-1,065,618.86-177,954.57

Finding the Fourth Proportional to 710,428.95, 1,065,618.86 and 177,954.57

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Solution

The fourth proportional to 710,428.95, 1,065,618.86 and 177,954.57 is: 266,925.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,428.95 : 1,065,618.86 = 177,954.57 : x
  2. Step 2: Convert to fraction form
    710,428.95/1,065,618.86 = 177,954.57/x
  3. Step 3: Cross multiply
    710,428.95x = 1,065,618.86 × 177,954.57
  4. Step 4: Simplify right side
    710,428.95x = 189,631,745,125.42
  5. Step 5: Solve for x
    x = 189,631,745,125.42/710,428.95
  6. Step 6: Final answer
    x = 266,925.70

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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.