Home / 1,059,539.23-1,590,307.71-386,271.28

Finding the Fourth Proportional to 1,059,539.23, 1,590,307.71 and 386,271.28

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Solution

The fourth proportional to 1,059,539.23, 1,590,307.71 and 386,271.28 is: 579,771.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,539.23 : 1,590,307.71 = 386,271.28 : x
  2. Step 2: Convert to fraction form
    1,059,539.23/1,590,307.71 = 386,271.28/x
  3. Step 3: Cross multiply
    1,059,539.23x = 1,590,307.71 × 386,271.28
  4. Step 4: Simplify right side
    1,059,539.23x = 614,290,194,735.57
  5. Step 5: Solve for x
    x = 614,290,194,735.57/1,059,539.23
  6. Step 6: Final answer
    x = 579,771.07

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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.