Home / 927,303.53-1,280,117.18-621,579.65

Finding the Fourth Proportional to 927,303.53, 1,280,117.18 and 621,579.65

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Solution

The fourth proportional to 927,303.53, 1,280,117.18 and 621,579.65 is: 858,073.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,303.53 : 1,280,117.18 = 621,579.65 : x
  2. Step 2: Convert to fraction form
    927,303.53/1,280,117.18 = 621,579.65/x
  3. Step 3: Cross multiply
    927,303.53x = 1,280,117.18 × 621,579.65
  4. Step 4: Simplify right side
    927,303.53x = 795,694,784,834.76
  5. Step 5: Solve for x
    x = 795,694,784,834.76/927,303.53
  6. Step 6: Final answer
    x = 858,073.72

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Double scale
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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.