Home / 740,557.60-1,021,972.62-401,026.12

Finding the Fourth Proportional to 740,557.60, 1,021,972.62 and 401,026.12

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Solution

The fourth proportional to 740,557.60, 1,021,972.62 and 401,026.12 is: 553,417.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,557.60 : 1,021,972.62 = 401,026.12 : x
  2. Step 2: Convert to fraction form
    740,557.60/1,021,972.62 = 401,026.12/x
  3. Step 3: Cross multiply
    740,557.60x = 1,021,972.62 × 401,026.12
  4. Step 4: Simplify right side
    740,557.60x = 409,837,714,544.83
  5. Step 5: Solve for x
    x = 409,837,714,544.83/740,557.60
  6. Step 6: Final answer
    x = 553,417.74

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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.