Home / 1,631,527.16-2,447,338.98-778,688.66

Finding the Fourth Proportional to 1,631,527.16, 2,447,338.98 and 778,688.66

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Solution

The fourth proportional to 1,631,527.16, 2,447,338.98 and 778,688.66 is: 1,168,056.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,631,527.16 : 2,447,338.98 = 778,688.66 : x
  2. Step 2: Convert to fraction form
    1,631,527.16/2,447,338.98 = 778,688.66/x
  3. Step 3: Cross multiply
    1,631,527.16x = 2,447,338.98 × 778,688.66
  4. Step 4: Simplify right side
    1,631,527.16x = 1,905,715,110,901.97
  5. Step 5: Solve for x
    x = 1,905,715,110,901.97/1,631,527.16
  6. Step 6: Final answer
    x = 1,168,056.01

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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.