Home / 709,715.66-1,059,142.21-633,985.29

Finding the Fourth Proportional to 709,715.66, 1,059,142.21 and 633,985.29

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Solution

The fourth proportional to 709,715.66, 1,059,142.21 and 633,985.29 is: 946,126.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    709,715.66 : 1,059,142.21 = 633,985.29 : x
  2. Step 2: Convert to fraction form
    709,715.66/1,059,142.21 = 633,985.29/x
  3. Step 3: Cross multiply
    709,715.66x = 1,059,142.21 × 633,985.29
  4. Step 4: Simplify right side
    709,715.66x = 671,480,579,573.13
  5. Step 5: Solve for x
    x = 671,480,579,573.13/709,715.66
  6. Step 6: Final answer
    x = 946,126.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.