Home / 581,919.34-802,928.29-340,155.13

Finding the Fourth Proportional to 581,919.34, 802,928.29 and 340,155.13

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Solution

The fourth proportional to 581,919.34, 802,928.29 and 340,155.13 is: 469,343.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,919.34 : 802,928.29 = 340,155.13 : x
  2. Step 2: Convert to fraction form
    581,919.34/802,928.29 = 340,155.13/x
  3. Step 3: Cross multiply
    581,919.34x = 802,928.29 × 340,155.13
  4. Step 4: Simplify right side
    581,919.34x = 273,120,176,865.63
  5. Step 5: Solve for x
    x = 273,120,176,865.63/581,919.34
  6. Step 6: Final answer
    x = 469,343.70

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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.