Home / 914,341.80-1,371,512.70-283,319.40

Finding the Fourth Proportional to 914,341.80, 1,371,512.70 and 283,319.40

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Solution

The fourth proportional to 914,341.80, 1,371,512.70 and 283,319.40 is: 424,979.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,341.80 : 1,371,512.70 = 283,319.40 : x
  2. Step 2: Convert to fraction form
    914,341.80/1,371,512.70 = 283,319.40/x
  3. Step 3: Cross multiply
    914,341.80x = 1,371,512.70 × 283,319.40
  4. Step 4: Simplify right side
    914,341.80x = 388,576,155,256.38
  5. Step 5: Solve for x
    x = 388,576,155,256.38/914,341.80
  6. Step 6: Final answer
    x = 424,979.10

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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.