Home / 840,133.72-1,159,453.38-477,671.32

Finding the Fourth Proportional to 840,133.72, 1,159,453.38 and 477,671.32

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Solution

The fourth proportional to 840,133.72, 1,159,453.38 and 477,671.32 is: 659,225.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,133.72 : 1,159,453.38 = 477,671.32 : x
  2. Step 2: Convert to fraction form
    840,133.72/1,159,453.38 = 477,671.32/x
  3. Step 3: Cross multiply
    840,133.72x = 1,159,453.38 × 477,671.32
  4. Step 4: Simplify right side
    840,133.72x = 553,837,626,503.06
  5. Step 5: Solve for x
    x = 553,837,626,503.06/840,133.72
  6. Step 6: Final answer
    x = 659,225.57

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1.5x scale

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.