Home / 724,516.16-1,085,360.48-474,440

Finding the Fourth Proportional to 724,516.16, 1,085,360.48 and 474,440

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Solution

The fourth proportional to 724,516.16, 1,085,360.48 and 474,440 is: 710,734.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,516.16 : 1,085,360.48 = 474,440 : x
  2. Step 2: Convert to fraction form
    724,516.16/1,085,360.48 = 474,440/x
  3. Step 3: Cross multiply
    724,516.16x = 1,085,360.48 × 474,440
  4. Step 4: Simplify right side
    724,516.16x = 514,938,426,131.20
  5. Step 5: Solve for x
    x = 514,938,426,131.20/724,516.16
  6. Step 6: Final answer
    x = 710,734.22

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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.