Home / 811,075.51-1,119,290.01-443,554.27

Finding the Fourth Proportional to 811,075.51, 1,119,290.01 and 443,554.27

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Solution

The fourth proportional to 811,075.51, 1,119,290.01 and 443,554.27 is: 612,108.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,075.51 : 1,119,290.01 = 443,554.27 : x
  2. Step 2: Convert to fraction form
    811,075.51/1,119,290.01 = 443,554.27/x
  3. Step 3: Cross multiply
    811,075.51x = 1,119,290.01 × 443,554.27
  4. Step 4: Simplify right side
    811,075.51x = 496,465,863,303.84
  5. Step 5: Solve for x
    x = 496,465,863,303.84/811,075.51
  6. Step 6: Final answer
    x = 612,108.07

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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.