Home / 1,066,820.90-1,472,212.80-583,386.38

Finding the Fourth Proportional to 1,066,820.90, 1,472,212.80 and 583,386.38

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Solution

The fourth proportional to 1,066,820.90, 1,472,212.80 and 583,386.38 is: 805,073.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,820.90 : 1,472,212.80 = 583,386.38 : x
  2. Step 2: Convert to fraction form
    1,066,820.90/1,472,212.80 = 583,386.38/x
  3. Step 3: Cross multiply
    1,066,820.90x = 1,472,212.80 × 583,386.38
  4. Step 4: Simplify right side
    1,066,820.90x = 858,868,895,981.66
  5. Step 5: Solve for x
    x = 858,868,895,981.66/1,066,820.90
  6. Step 6: Final answer
    x = 805,073.18

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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.