Home / 874,857.60-1,312,804.80-576,194.40

Finding the Fourth Proportional to 874,857.60, 1,312,804.80 and 576,194.40

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Solution

The fourth proportional to 874,857.60, 1,312,804.80 and 576,194.40 is: 864,633.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,857.60 : 1,312,804.80 = 576,194.40 : x
  2. Step 2: Convert to fraction form
    874,857.60/1,312,804.80 = 576,194.40/x
  3. Step 3: Cross multiply
    874,857.60x = 1,312,804.80 × 576,194.40
  4. Step 4: Simplify right side
    874,857.60x = 756,430,774,053.12
  5. Step 5: Solve for x
    x = 756,430,774,053.12/874,857.60
  6. Step 6: Final answer
    x = 864,633.03

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1.5x scale

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.