Home / 1,012,784.14-1,397,814-583,312.84

Finding the Fourth Proportional to 1,012,784.14, 1,397,814 and 583,312.84

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Solution

The fourth proportional to 1,012,784.14, 1,397,814 and 583,312.84 is: 805,070.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,784.14 : 1,397,814 = 583,312.84 : x
  2. Step 2: Convert to fraction form
    1,012,784.14/1,397,814 = 583,312.84/x
  3. Step 3: Cross multiply
    1,012,784.14x = 1,397,814 × 583,312.84
  4. Step 4: Simplify right side
    1,012,784.14x = 815,362,854,131.76
  5. Step 5: Solve for x
    x = 815,362,854,131.76/1,012,784.14
  6. Step 6: Final answer
    x = 805,070.72

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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.