Home / 1,145,495.10-1,580,739.51-636,230.34

Finding the Fourth Proportional to 1,145,495.10, 1,580,739.51 and 636,230.34

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Solution

The fourth proportional to 1,145,495.10, 1,580,739.51 and 636,230.34 is: 877,973.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,495.10 : 1,580,739.51 = 636,230.34 : x
  2. Step 2: Convert to fraction form
    1,145,495.10/1,580,739.51 = 636,230.34/x
  3. Step 3: Cross multiply
    1,145,495.10x = 1,580,739.51 × 636,230.34
  4. Step 4: Simplify right side
    1,145,495.10x = 1,005,714,435,898.73
  5. Step 5: Solve for x
    x = 1,005,714,435,898.73/1,145,495.10
  6. Step 6: Final answer
    x = 877,973.58

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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.