Home / 460,047.80-689,662.10-410,281.40

Finding the Fourth Proportional to 460,047.80, 689,662.10 and 410,281.40

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Solution

The fourth proportional to 460,047.80, 689,662.10 and 410,281.40 is: 615,056.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    460,047.80 : 689,662.10 = 410,281.40 : x
  2. Step 2: Convert to fraction form
    460,047.80/689,662.10 = 410,281.40/x
  3. Step 3: Cross multiply
    460,047.80x = 689,662.10 × 410,281.40
  4. Step 4: Simplify right side
    460,047.80x = 282,955,531,914.94
  5. Step 5: Solve for x
    x = 282,955,531,914.94/460,047.80
  6. Step 6: Final answer
    x = 615,056.81

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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.