Home / 1,641,549.39-2,265,103.80-916,381.19

Finding the Fourth Proportional to 1,641,549.39, 2,265,103.80 and 916,381.19

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Solution

The fourth proportional to 1,641,549.39, 2,265,103.80 and 916,381.19 is: 1,264,475.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,549.39 : 2,265,103.80 = 916,381.19 : x
  2. Step 2: Convert to fraction form
    1,641,549.39/2,265,103.80 = 916,381.19/x
  3. Step 3: Cross multiply
    1,641,549.39x = 2,265,103.80 × 916,381.19
  4. Step 4: Simplify right side
    1,641,549.39x = 2,075,698,515,717.52
  5. Step 5: Solve for x
    x = 2,075,698,515,717.52/1,641,549.39
  6. Step 6: Final answer
    x = 1,264,475.21

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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.