Home / 1,189,188.02-1,641,080.59-679,901.06

Finding the Fourth Proportional to 1,189,188.02, 1,641,080.59 and 679,901.06

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Solution

The fourth proportional to 1,189,188.02, 1,641,080.59 and 679,901.06 is: 938,264.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,188.02 : 1,641,080.59 = 679,901.06 : x
  2. Step 2: Convert to fraction form
    1,189,188.02/1,641,080.59 = 679,901.06/x
  3. Step 3: Cross multiply
    1,189,188.02x = 1,641,080.59 × 679,901.06
  4. Step 4: Simplify right side
    1,189,188.02x = 1,115,772,432,686.43
  5. Step 5: Solve for x
    x = 1,115,772,432,686.43/1,189,188.02
  6. Step 6: Final answer
    x = 938,264.10

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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.