Home / 651,130.40-976,686.44-395,023.98

Finding the Fourth Proportional to 651,130.40, 976,686.44 and 395,023.98

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Solution

The fourth proportional to 651,130.40, 976,686.44 and 395,023.98 is: 592,530.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,130.40 : 976,686.44 = 395,023.98 : x
  2. Step 2: Convert to fraction form
    651,130.40/976,686.44 = 395,023.98/x
  3. Step 3: Cross multiply
    651,130.40x = 976,686.44 × 395,023.98
  4. Step 4: Simplify right side
    651,130.40x = 385,814,564,740.83
  5. Step 5: Solve for x
    x = 385,814,564,740.83/651,130.40
  6. Step 6: Final answer
    x = 592,530.41

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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.