Home / 1,019,051.60-1,528,577.40-515,166.80

Finding the Fourth Proportional to 1,019,051.60, 1,528,577.40 and 515,166.80

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Solution

The fourth proportional to 1,019,051.60, 1,528,577.40 and 515,166.80 is: 772,750.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,051.60 : 1,528,577.40 = 515,166.80 : x
  2. Step 2: Convert to fraction form
    1,019,051.60/1,528,577.40 = 515,166.80/x
  3. Step 3: Cross multiply
    1,019,051.60x = 1,528,577.40 × 515,166.80
  4. Step 4: Simplify right side
    1,019,051.60x = 787,472,327,710.32
  5. Step 5: Solve for x
    x = 787,472,327,710.32/1,019,051.60
  6. Step 6: Final answer
    x = 772,750.20

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.