Home / 1,461,128.61-2,016,182.84-807,666.38

Finding the Fourth Proportional to 1,461,128.61, 2,016,182.84 and 807,666.38

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Solution

The fourth proportional to 1,461,128.61, 2,016,182.84 and 807,666.38 is: 1,114,483.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,461,128.61 : 2,016,182.84 = 807,666.38 : x
  2. Step 2: Convert to fraction form
    1,461,128.61/2,016,182.84 = 807,666.38/x
  3. Step 3: Cross multiply
    1,461,128.61x = 2,016,182.84 × 807,666.38
  4. Step 4: Simplify right side
    1,461,128.61x = 1,628,403,095,800.92
  5. Step 5: Solve for x
    x = 1,628,403,095,800.92/1,461,128.61
  6. Step 6: Final answer
    x = 1,114,483.07

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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.