Home / 1,191,624-1,645,845.12-788,516.16

Finding the Fourth Proportional to 1,191,624, 1,645,845.12 and 788,516.16

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Solution

The fourth proportional to 1,191,624, 1,645,845.12 and 788,516.16 is: 1,089,081.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,624 : 1,645,845.12 = 788,516.16 : x
  2. Step 2: Convert to fraction form
    1,191,624/1,645,845.12 = 788,516.16/x
  3. Step 3: Cross multiply
    1,191,624x = 1,645,845.12 × 788,516.16
  4. Step 4: Simplify right side
    1,191,624x = 1,297,775,473,977.14
  5. Step 5: Solve for x
    x = 1,297,775,473,977.14/1,191,624
  6. Step 6: Final answer
    x = 1,089,081.35

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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.