Home / 1,119,615.12-1,545,010.74-636,113.16

Finding the Fourth Proportional to 1,119,615.12, 1,545,010.74 and 636,113.16

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Solution

The fourth proportional to 1,119,615.12, 1,545,010.74 and 636,113.16 is: 877,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,615.12 : 1,545,010.74 = 636,113.16 : x
  2. Step 2: Convert to fraction form
    1,119,615.12/1,545,010.74 = 636,113.16/x
  3. Step 3: Cross multiply
    1,119,615.12x = 1,545,010.74 × 636,113.16
  4. Step 4: Simplify right side
    1,119,615.12x = 982,801,664,055.34
  5. Step 5: Solve for x
    x = 982,801,664,055.34/1,119,615.12
  6. Step 6: Final answer
    x = 877,803.14

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Double scale
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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.