Home / 748,870.49-1,033,440.04-426,580.40

Finding the Fourth Proportional to 748,870.49, 1,033,440.04 and 426,580.40

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Solution

The fourth proportional to 748,870.49, 1,033,440.04 and 426,580.40 is: 588,680.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,870.49 : 1,033,440.04 = 426,580.40 : x
  2. Step 2: Convert to fraction form
    748,870.49/1,033,440.04 = 426,580.40/x
  3. Step 3: Cross multiply
    748,870.49x = 1,033,440.04 × 426,580.40
  4. Step 4: Simplify right side
    748,870.49x = 440,845,265,639.22
  5. Step 5: Solve for x
    x = 440,845,265,639.22/748,870.49
  6. Step 6: Final answer
    x = 588,680.25

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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.