Home / 1,149,417.95-1,585,954.08-665,953.65

Finding the Fourth Proportional to 1,149,417.95, 1,585,954.08 and 665,953.65

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Solution

The fourth proportional to 1,149,417.95, 1,585,954.08 and 665,953.65 is: 918,875.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,417.95 : 1,585,954.08 = 665,953.65 : x
  2. Step 2: Convert to fraction form
    1,149,417.95/1,585,954.08 = 665,953.65/x
  3. Step 3: Cross multiply
    1,149,417.95x = 1,585,954.08 × 665,953.65
  4. Step 4: Simplify right side
    1,149,417.95x = 1,056,171,908,308.39
  5. Step 5: Solve for x
    x = 1,056,171,908,308.39/1,149,417.95
  6. Step 6: Final answer
    x = 918,875.43

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.