Home / 593,779.90-819,396.37-351,918.92

Finding the Fourth Proportional to 593,779.90, 819,396.37 and 351,918.92

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Solution

The fourth proportional to 593,779.90, 819,396.37 and 351,918.92 is: 485,636.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,779.90 : 819,396.37 = 351,918.92 : x
  2. Step 2: Convert to fraction form
    593,779.90/819,396.37 = 351,918.92/x
  3. Step 3: Cross multiply
    593,779.90x = 819,396.37 × 351,918.92
  4. Step 4: Simplify right side
    593,779.90x = 288,361,085,582.32
  5. Step 5: Solve for x
    x = 288,361,085,582.32/593,779.90
  6. Step 6: Final answer
    x = 485,636.32

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Double scale
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1.5x scale

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.