Home / 651,085.21-976,420.79-608,580.96

Finding the Fourth Proportional to 651,085.21, 976,420.79 and 608,580.96

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Solution

The fourth proportional to 651,085.21, 976,420.79 and 608,580.96 is: 912,677.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,085.21 : 976,420.79 = 608,580.96 : x
  2. Step 2: Convert to fraction form
    651,085.21/976,420.79 = 608,580.96/x
  3. Step 3: Cross multiply
    651,085.21x = 976,420.79 × 608,580.96
  4. Step 4: Simplify right side
    651,085.21x = 594,231,103,846.77
  5. Step 5: Solve for x
    x = 594,231,103,846.77/651,085.21
  6. Step 6: Final answer
    x = 912,677.93

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1.5x scale

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.