Home / 1,018,810-1,405,928.07-583,212.91

Finding the Fourth Proportional to 1,018,810, 1,405,928.07 and 583,212.91

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Solution

The fourth proportional to 1,018,810, 1,405,928.07 and 583,212.91 is: 804,816.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,810 : 1,405,928.07 = 583,212.91 : x
  2. Step 2: Convert to fraction form
    1,018,810/1,405,928.07 = 583,212.91/x
  3. Step 3: Cross multiply
    1,018,810x = 1,405,928.07 × 583,212.91
  4. Step 4: Simplify right side
    1,018,810x = 819,955,400,955.38
  5. Step 5: Solve for x
    x = 819,955,400,955.38/1,018,810
  6. Step 6: Final answer
    x = 804,816.80

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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.