Home / 1,090,920-1,505,607.84-614,084.16

Finding the Fourth Proportional to 1,090,920, 1,505,607.84 and 614,084.16

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Solution

The fourth proportional to 1,090,920, 1,505,607.84 and 614,084.16 is: 847,513.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,920 : 1,505,607.84 = 614,084.16 : x
  2. Step 2: Convert to fraction form
    1,090,920/1,505,607.84 = 614,084.16/x
  3. Step 3: Cross multiply
    1,090,920x = 1,505,607.84 × 614,084.16
  4. Step 4: Simplify right side
    1,090,920x = 924,569,925,715.82
  5. Step 5: Solve for x
    x = 924,569,925,715.82/1,090,920
  6. Step 6: Final answer
    x = 847,513.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.