Home / 975,843.28-1,346,634.75-540,280

Finding the Fourth Proportional to 975,843.28, 1,346,634.75 and 540,280

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Solution

The fourth proportional to 975,843.28, 1,346,634.75 and 540,280 is: 745,570.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,843.28 : 1,346,634.75 = 540,280 : x
  2. Step 2: Convert to fraction form
    975,843.28/1,346,634.75 = 540,280/x
  3. Step 3: Cross multiply
    975,843.28x = 1,346,634.75 × 540,280
  4. Step 4: Simplify right side
    975,843.28x = 727,559,822,730
  5. Step 5: Solve for x
    x = 727,559,822,730/975,843.28
  6. Step 6: Final answer
    x = 745,570.36

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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.