Home / 885,810.40-1,328,715.60-615,205.60

Finding the Fourth Proportional to 885,810.40, 1,328,715.60 and 615,205.60

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Solution

The fourth proportional to 885,810.40, 1,328,715.60 and 615,205.60 is: 922,808.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    885,810.40 : 1,328,715.60 = 615,205.60 : x
  2. Step 2: Convert to fraction form
    885,810.40/1,328,715.60 = 615,205.60/x
  3. Step 3: Cross multiply
    885,810.40x = 1,328,715.60 × 615,205.60
  4. Step 4: Simplify right side
    885,810.40x = 817,433,277,927.36
  5. Step 5: Solve for x
    x = 817,433,277,927.36/885,810.40
  6. Step 6: Final answer
    x = 922,808.40

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Half scale
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Double scale
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Similar ratio
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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.