Home / 1,840,136-2,760,552.64-642,400.32

Finding the Fourth Proportional to 1,840,136, 2,760,552.64 and 642,400.32

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Solution

The fourth proportional to 1,840,136, 2,760,552.64 and 642,400.32 is: 963,722.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,840,136 : 2,760,552.64 = 642,400.32 : x
  2. Step 2: Convert to fraction form
    1,840,136/2,760,552.64 = 642,400.32/x
  3. Step 3: Cross multiply
    1,840,136x = 2,760,552.64 × 642,400.32
  4. Step 4: Simplify right side
    1,840,136x = 1,773,379,899,312.84
  5. Step 5: Solve for x
    x = 1,773,379,899,312.84/1,840,136
  6. Step 6: Final answer
    x = 963,722.19

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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.