Home / 1,283,841.51-1,771,679.63-710,869.38

Finding the Fourth Proportional to 1,283,841.51, 1,771,679.63 and 710,869.38

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Solution

The fourth proportional to 1,283,841.51, 1,771,679.63 and 710,869.38 is: 980,987.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,841.51 : 1,771,679.63 = 710,869.38 : x
  2. Step 2: Convert to fraction form
    1,283,841.51/1,771,679.63 = 710,869.38/x
  3. Step 3: Cross multiply
    1,283,841.51x = 1,771,679.63 × 710,869.38
  4. Step 4: Simplify right side
    1,283,841.51x = 1,259,432,796,582.38
  5. Step 5: Solve for x
    x = 1,259,432,796,582.38/1,283,841.51
  6. Step 6: Final answer
    x = 980,987.75

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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.