Home / 1,505,106.95-2,077,445.82-931,821.35

Finding the Fourth Proportional to 1,505,106.95, 2,077,445.82 and 931,821.35

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Solution

The fourth proportional to 1,505,106.95, 2,077,445.82 and 931,821.35 is: 1,286,160.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,505,106.95 : 2,077,445.82 = 931,821.35 : x
  2. Step 2: Convert to fraction form
    1,505,106.95/2,077,445.82 = 931,821.35/x
  3. Step 3: Cross multiply
    1,505,106.95x = 2,077,445.82 × 931,821.35
  4. Step 4: Simplify right side
    1,505,106.95x = 1,935,808,358,157.03
  5. Step 5: Solve for x
    x = 1,935,808,358,157.03/1,505,106.95
  6. Step 6: Final answer
    x = 1,286,160.01

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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.