Home / 1,286,916.86-1,775,886.06-706,127.23

Finding the Fourth Proportional to 1,286,916.86, 1,775,886.06 and 706,127.23

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Solution

The fourth proportional to 1,286,916.86, 1,775,886.06 and 706,127.23 is: 974,423.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,286,916.86 : 1,775,886.06 = 706,127.23 : x
  2. Step 2: Convert to fraction form
    1,286,916.86/1,775,886.06 = 706,127.23/x
  3. Step 3: Cross multiply
    1,286,916.86x = 1,775,886.06 × 706,127.23
  4. Step 4: Simplify right side
    1,286,916.86x = 1,254,001,504,343.41
  5. Step 5: Solve for x
    x = 1,254,001,504,343.41/1,286,916.86
  6. Step 6: Final answer
    x = 974,423.09

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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.