Home / 578,319.90-797,521.58-450,949.02

Finding the Fourth Proportional to 578,319.90, 797,521.58 and 450,949.02

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Solution

The fourth proportional to 578,319.90, 797,521.58 and 450,949.02 is: 621,873.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,319.90 : 797,521.58 = 450,949.02 : x
  2. Step 2: Convert to fraction form
    578,319.90/797,521.58 = 450,949.02/x
  3. Step 3: Cross multiply
    578,319.90x = 797,521.58 × 450,949.02
  4. Step 4: Simplify right side
    578,319.90x = 359,641,574,929.85
  5. Step 5: Solve for x
    x = 359,641,574,929.85/578,319.90
  6. Step 6: Final answer
    x = 621,873.08

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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.