Home / 1,686,410.80-2,528,741.40-620,904.40

Finding the Fourth Proportional to 1,686,410.80, 2,528,741.40 and 620,904.40

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Solution

The fourth proportional to 1,686,410.80, 2,528,741.40 and 620,904.40 is: 931,034.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,686,410.80 : 2,528,741.40 = 620,904.40 : x
  2. Step 2: Convert to fraction form
    1,686,410.80/2,528,741.40 = 620,904.40/x
  3. Step 3: Cross multiply
    1,686,410.80x = 2,528,741.40 × 620,904.40
  4. Step 4: Simplify right side
    1,686,410.80x = 1,570,106,661,722.16
  5. Step 5: Solve for x
    x = 1,570,106,661,722.16/1,686,410.80
  6. Step 6: Final answer
    x = 931,034.52

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.