Home / 953,000.88-1,314,262.80-647,534.40

Finding the Fourth Proportional to 953,000.88, 1,314,262.80 and 647,534.40

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Solution

The fourth proportional to 953,000.88, 1,314,262.80 and 647,534.40 is: 893,000.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    953,000.88 : 1,314,262.80 = 647,534.40 : x
  2. Step 2: Convert to fraction form
    953,000.88/1,314,262.80 = 647,534.40/x
  3. Step 3: Cross multiply
    953,000.88x = 1,314,262.80 × 647,534.40
  4. Step 4: Simplify right side
    953,000.88x = 851,030,373,640.32
  5. Step 5: Solve for x
    x = 851,030,373,640.32/953,000.88
  6. Step 6: Final answer
    x = 893,000.62

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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.