Home / 1,191,208.92-1,643,875.02-647,349.24

Finding the Fourth Proportional to 1,191,208.92, 1,643,875.02 and 647,349.24

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Solution

The fourth proportional to 1,191,208.92, 1,643,875.02 and 647,349.24 is: 893,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,208.92 : 1,643,875.02 = 647,349.24 : x
  2. Step 2: Convert to fraction form
    1,191,208.92/1,643,875.02 = 647,349.24/x
  3. Step 3: Cross multiply
    1,191,208.92x = 1,643,875.02 × 647,349.24
  4. Step 4: Simplify right side
    1,191,208.92x = 1,064,161,244,851.98
  5. Step 5: Solve for x
    x = 1,064,161,244,851.98/1,191,208.92
  6. Step 6: Final answer
    x = 893,345.60

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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.