Home / 1,173,407.54-1,619,024.87-664,109.92

Finding the Fourth Proportional to 1,173,407.54, 1,619,024.87 and 664,109.92

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Solution

The fourth proportional to 1,173,407.54, 1,619,024.87 and 664,109.92 is: 916,314.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,407.54 : 1,619,024.87 = 664,109.92 : x
  2. Step 2: Convert to fraction form
    1,173,407.54/1,619,024.87 = 664,109.92/x
  3. Step 3: Cross multiply
    1,173,407.54x = 1,619,024.87 × 664,109.92
  4. Step 4: Simplify right side
    1,173,407.54x = 1,075,210,465,478.04
  5. Step 5: Solve for x
    x = 1,075,210,465,478.04/1,173,407.54
  6. Step 6: Final answer
    x = 916,314.60

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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.