Home / 1,010,669.80-1,516,004.70-411,322.45

Finding the Fourth Proportional to 1,010,669.80, 1,516,004.70 and 411,322.45

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Solution

The fourth proportional to 1,010,669.80, 1,516,004.70 and 411,322.45 is: 616,983.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,010,669.80 : 1,516,004.70 = 411,322.45 : x
  2. Step 2: Convert to fraction form
    1,010,669.80/1,516,004.70 = 411,322.45/x
  3. Step 3: Cross multiply
    1,010,669.80x = 1,516,004.70 × 411,322.45
  4. Step 4: Simplify right side
    1,010,669.80x = 623,566,767,415.52
  5. Step 5: Solve for x
    x = 623,566,767,415.52/1,010,669.80
  6. Step 6: Final answer
    x = 616,983.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.