Home / 983,178.02-1,357,205.06-661,074.82

Finding the Fourth Proportional to 983,178.02, 1,357,205.06 and 661,074.82

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Solution

The fourth proportional to 983,178.02, 1,357,205.06 and 661,074.82 is: 912,565.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,178.02 : 1,357,205.06 = 661,074.82 : x
  2. Step 2: Convert to fraction form
    983,178.02/1,357,205.06 = 661,074.82/x
  3. Step 3: Cross multiply
    983,178.02x = 1,357,205.06 × 661,074.82
  4. Step 4: Simplify right side
    983,178.02x = 897,214,090,742.59
  5. Step 5: Solve for x
    x = 897,214,090,742.59/983,178.02
  6. Step 6: Final answer
    x = 912,565.25

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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.