Home / 1,047,916.72-1,446,125.10-570,988.72

Finding the Fourth Proportional to 1,047,916.72, 1,446,125.10 and 570,988.72

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Solution

The fourth proportional to 1,047,916.72, 1,446,125.10 and 570,988.72 is: 787,964.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,916.72 : 1,446,125.10 = 570,988.72 : x
  2. Step 2: Convert to fraction form
    1,047,916.72/1,446,125.10 = 570,988.72/x
  3. Step 3: Cross multiply
    1,047,916.72x = 1,446,125.10 × 570,988.72
  4. Step 4: Simplify right side
    1,047,916.72x = 825,721,119,808.87
  5. Step 5: Solve for x
    x = 825,721,119,808.87/1,047,916.72
  6. Step 6: Final answer
    x = 787,964.45

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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.