Home / 593,890.50-819,354.10-390,051.86

Finding the Fourth Proportional to 593,890.50, 819,354.10 and 390,051.86

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Solution

The fourth proportional to 593,890.50, 819,354.10 and 390,051.86 is: 538,130.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    593,890.50 : 819,354.10 = 390,051.86 : x
  2. Step 2: Convert to fraction form
    593,890.50/819,354.10 = 390,051.86/x
  3. Step 3: Cross multiply
    593,890.50x = 819,354.10 × 390,051.86
  4. Step 4: Simplify right side
    593,890.50x = 319,590,590,703.63
  5. Step 5: Solve for x
    x = 319,590,590,703.63/593,890.50
  6. Step 6: Final answer
    x = 538,130.50

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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.