Home / 892,140.48-1,335,411.36-470,136.96

Finding the Fourth Proportional to 892,140.48, 1,335,411.36 and 470,136.96

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Solution

The fourth proportional to 892,140.48, 1,335,411.36 and 470,136.96 is: 703,730.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,140.48 : 1,335,411.36 = 470,136.96 : x
  2. Step 2: Convert to fraction form
    892,140.48/1,335,411.36 = 470,136.96/x
  3. Step 3: Cross multiply
    892,140.48x = 1,335,411.36 × 470,136.96
  4. Step 4: Simplify right side
    892,140.48x = 627,826,237,139.87
  5. Step 5: Solve for x
    x = 627,826,237,139.87/892,140.48
  6. Step 6: Final answer
    x = 703,730.24

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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.