Home / 1,501,416.18-2,072,153.88-856,688.58

Finding the Fourth Proportional to 1,501,416.18, 2,072,153.88 and 856,688.58

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Solution

The fourth proportional to 1,501,416.18, 2,072,153.88 and 856,688.58 is: 1,182,344.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,501,416.18 : 2,072,153.88 = 856,688.58 : x
  2. Step 2: Convert to fraction form
    1,501,416.18/2,072,153.88 = 856,688.58/x
  3. Step 3: Cross multiply
    1,501,416.18x = 2,072,153.88 × 856,688.58
  4. Step 4: Simplify right side
    1,501,416.18x = 1,775,190,564,998.69
  5. Step 5: Solve for x
    x = 1,775,190,564,998.69/1,501,416.18
  6. Step 6: Final answer
    x = 1,182,344.10

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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.