Home / 1,316,605.37-1,974,347.28-517,326.23

Finding the Fourth Proportional to 1,316,605.37, 1,974,347.28 and 517,326.23

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Solution

The fourth proportional to 1,316,605.37, 1,974,347.28 and 517,326.23 is: 775,769.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,316,605.37 : 1,974,347.28 = 517,326.23 : x
  2. Step 2: Convert to fraction form
    1,316,605.37/1,974,347.28 = 517,326.23/x
  3. Step 3: Cross multiply
    1,316,605.37x = 1,974,347.28 × 517,326.23
  4. Step 4: Simplify right side
    1,316,605.37x = 1,021,381,640,009.02
  5. Step 5: Solve for x
    x = 1,021,381,640,009.02/1,316,605.37
  6. Step 6: Final answer
    x = 775,769.01

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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.