Home / 874,920.60-1,312,380.90-591,485.40

Finding the Fourth Proportional to 874,920.60, 1,312,380.90 and 591,485.40

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Solution

The fourth proportional to 874,920.60, 1,312,380.90 and 591,485.40 is: 887,228.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,920.60 : 1,312,380.90 = 591,485.40 : x
  2. Step 2: Convert to fraction form
    874,920.60/1,312,380.90 = 591,485.40/x
  3. Step 3: Cross multiply
    874,920.60x = 1,312,380.90 × 591,485.40
  4. Step 4: Simplify right side
    874,920.60x = 776,254,141,588.86
  5. Step 5: Solve for x
    x = 776,254,141,588.86/874,920.60
  6. Step 6: Final answer
    x = 887,228.10

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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.