Home / 1,210,000.01-1,816,122.24-611,381.57

Finding the Fourth Proportional to 1,210,000.01, 1,816,122.24 and 611,381.57

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Solution

The fourth proportional to 1,210,000.01, 1,816,122.24 and 611,381.57 is: 917,639.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,000.01 : 1,816,122.24 = 611,381.57 : x
  2. Step 2: Convert to fraction form
    1,210,000.01/1,816,122.24 = 611,381.57/x
  3. Step 3: Cross multiply
    1,210,000.01x = 1,816,122.24 × 611,381.57
  4. Step 4: Simplify right side
    1,210,000.01x = 1,110,343,657,322.51
  5. Step 5: Solve for x
    x = 1,110,343,657,322.51/1,210,000.01
  6. Step 6: Final answer
    x = 917,639.38

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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.