Home / 977,528.19-1,348,920.45-541,941.51

Finding the Fourth Proportional to 977,528.19, 1,348,920.45 and 541,941.51

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Solution

The fourth proportional to 977,528.19, 1,348,920.45 and 541,941.51 is: 747,841.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,528.19 : 1,348,920.45 = 541,941.51 : x
  2. Step 2: Convert to fraction form
    977,528.19/1,348,920.45 = 541,941.51/x
  3. Step 3: Cross multiply
    977,528.19x = 1,348,920.45 × 541,941.51
  4. Step 4: Simplify right side
    977,528.19x = 731,035,985,542.88
  5. Step 5: Solve for x
    x = 731,035,985,542.88/977,528.19
  6. Step 6: Final answer
    x = 747,841.33

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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.