Home / 877,079.70-1,314,598.95-403,812.90

Finding the Fourth Proportional to 877,079.70, 1,314,598.95 and 403,812.90

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Solution

The fourth proportional to 877,079.70, 1,314,598.95 and 403,812.90 is: 605,249.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,079.70 : 1,314,598.95 = 403,812.90 : x
  2. Step 2: Convert to fraction form
    877,079.70/1,314,598.95 = 403,812.90/x
  3. Step 3: Cross multiply
    877,079.70x = 1,314,598.95 × 403,812.90
  4. Step 4: Simplify right side
    877,079.70x = 530,852,014,336.46
  5. Step 5: Solve for x
    x = 530,852,014,336.46/877,079.70
  6. Step 6: Final answer
    x = 605,249.46

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.