Home / 985,072.19-1,477,692.11-310,973.18

Finding the Fourth Proportional to 985,072.19, 1,477,692.11 and 310,973.18

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Solution

The fourth proportional to 985,072.19, 1,477,692.11 and 310,973.18 is: 466,486.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,072.19 : 1,477,692.11 = 310,973.18 : x
  2. Step 2: Convert to fraction form
    985,072.19/1,477,692.11 = 310,973.18/x
  3. Step 3: Cross multiply
    985,072.19x = 1,477,692.11 × 310,973.18
  4. Step 4: Simplify right side
    985,072.19x = 459,522,607,896.58
  5. Step 5: Solve for x
    x = 459,522,607,896.58/985,072.19
  6. Step 6: Final answer
    x = 466,486.23

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Double scale
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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.