Home / 1,191,204.90-1,643,857.35-647,330.40

Finding the Fourth Proportional to 1,191,204.90, 1,643,857.35 and 647,330.40

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Solution

The fourth proportional to 1,191,204.90, 1,643,857.35 and 647,330.40 is: 893,313.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,204.90 : 1,643,857.35 = 647,330.40 : x
  2. Step 2: Convert to fraction form
    1,191,204.90/1,643,857.35 = 647,330.40/x
  3. Step 3: Cross multiply
    1,191,204.90x = 1,643,857.35 × 647,330.40
  4. Step 4: Simplify right side
    1,191,204.90x = 1,064,118,835,918.44
  5. Step 5: Solve for x
    x = 1,064,118,835,918.44/1,191,204.90
  6. Step 6: Final answer
    x = 893,313.01

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Double scale
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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.