Home / 670,531.10-1,006,963.05-355,603.10

Finding the Fourth Proportional to 670,531.10, 1,006,963.05 and 355,603.10

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Solution

The fourth proportional to 670,531.10, 1,006,963.05 and 355,603.10 is: 534,023.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,531.10 : 1,006,963.05 = 355,603.10 : x
  2. Step 2: Convert to fraction form
    670,531.10/1,006,963.05 = 355,603.10/x
  3. Step 3: Cross multiply
    670,531.10x = 1,006,963.05 × 355,603.10
  4. Step 4: Simplify right side
    670,531.10x = 358,079,182,165.46
  5. Step 5: Solve for x
    x = 358,079,182,165.46/670,531.10
  6. Step 6: Final answer
    x = 534,023.23

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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.