Home / 1,016,639.68-1,403,130.96-564,076.48

Finding the Fourth Proportional to 1,016,639.68, 1,403,130.96 and 564,076.48

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Solution

The fourth proportional to 1,016,639.68, 1,403,130.96 and 564,076.48 is: 778,518.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,639.68 : 1,403,130.96 = 564,076.48 : x
  2. Step 2: Convert to fraction form
    1,016,639.68/1,403,130.96 = 564,076.48/x
  3. Step 3: Cross multiply
    1,016,639.68x = 1,403,130.96 × 564,076.48
  4. Step 4: Simplify right side
    1,016,639.68x = 791,473,172,895.82
  5. Step 5: Solve for x
    x = 791,473,172,895.82/1,016,639.68
  6. Step 6: Final answer
    x = 778,518.87

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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.