Home / 771,921.93-1,157,994.53-292,019.58

Finding the Fourth Proportional to 771,921.93, 1,157,994.53 and 292,019.58

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Solution

The fourth proportional to 771,921.93, 1,157,994.53 and 292,019.58 is: 438,071.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,921.93 : 1,157,994.53 = 292,019.58 : x
  2. Step 2: Convert to fraction form
    771,921.93/1,157,994.53 = 292,019.58/x
  3. Step 3: Cross multiply
    771,921.93x = 1,157,994.53 × 292,019.58
  4. Step 4: Simplify right side
    771,921.93x = 338,157,075,927.87
  5. Step 5: Solve for x
    x = 338,157,075,927.87/771,921.93
  6. Step 6: Final answer
    x = 438,071.60

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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.