Home / 756,285.40-1,133,045.70-615,280.60

Finding the Fourth Proportional to 756,285.40, 1,133,045.70 and 615,280.60

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Solution

The fourth proportional to 756,285.40, 1,133,045.70 and 615,280.60 is: 921,796.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,285.40 : 1,133,045.70 = 615,280.60 : x
  2. Step 2: Convert to fraction form
    756,285.40/1,133,045.70 = 615,280.60/x
  3. Step 3: Cross multiply
    756,285.40x = 1,133,045.70 × 615,280.60
  4. Step 4: Simplify right side
    756,285.40x = 697,141,038,123.42
  5. Step 5: Solve for x
    x = 697,141,038,123.42/756,285.40
  6. Step 6: Final answer
    x = 921,796.24

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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.