Home / 1,207,389.16-1,666,268.58-698,268.52

Finding the Fourth Proportional to 1,207,389.16, 1,666,268.58 and 698,268.52

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Solution

The fourth proportional to 1,207,389.16, 1,666,268.58 and 698,268.52 is: 963,651.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,389.16 : 1,666,268.58 = 698,268.52 : x
  2. Step 2: Convert to fraction form
    1,207,389.16/1,666,268.58 = 698,268.52/x
  3. Step 3: Cross multiply
    1,207,389.16x = 1,666,268.58 × 698,268.52
  4. Step 4: Simplify right side
    1,207,389.16x = 1,163,502,895,279.10
  5. Step 5: Solve for x
    x = 1,163,502,895,279.10/1,207,389.16
  6. Step 6: Final answer
    x = 963,651.93

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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.