Home / 1,530,205.63-2,111,649.65-885,612.89

Finding the Fourth Proportional to 1,530,205.63, 2,111,649.65 and 885,612.89

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Solution

The fourth proportional to 1,530,205.63, 2,111,649.65 and 885,612.89 is: 1,222,126.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,205.63 : 2,111,649.65 = 885,612.89 : x
  2. Step 2: Convert to fraction form
    1,530,205.63/2,111,649.65 = 885,612.89/x
  3. Step 3: Cross multiply
    1,530,205.63x = 2,111,649.65 × 885,612.89
  4. Step 4: Simplify right side
    1,530,205.63x = 1,870,104,153,376.10
  5. Step 5: Solve for x
    x = 1,870,104,153,376.10/1,530,205.63
  6. Step 6: Final answer
    x = 1,222,126.05

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.