Home / 1,059,534.36-1,590,300.40-386,266.41

Finding the Fourth Proportional to 1,059,534.36, 1,590,300.40 and 386,266.41

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Solution

The fourth proportional to 1,059,534.36, 1,590,300.40 and 386,266.41 is: 579,763.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,534.36 : 1,590,300.40 = 386,266.41 : x
  2. Step 2: Convert to fraction form
    1,059,534.36/1,590,300.40 = 386,266.41/x
  3. Step 3: Cross multiply
    1,059,534.36x = 1,590,300.40 × 386,266.41
  4. Step 4: Simplify right side
    1,059,534.36x = 614,279,617,412.40
  5. Step 5: Solve for x
    x = 614,279,617,412.40/1,059,534.36
  6. Step 6: Final answer
    x = 579,763.76

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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.