Home / 971,437.15-1,340,551.72-535,853.42

Finding the Fourth Proportional to 971,437.15, 1,340,551.72 and 535,853.42

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Solution

The fourth proportional to 971,437.15, 1,340,551.72 and 535,853.42 is: 739,460.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,437.15 : 1,340,551.72 = 535,853.42 : x
  2. Step 2: Convert to fraction form
    971,437.15/1,340,551.72 = 535,853.42/x
  3. Step 3: Cross multiply
    971,437.15x = 1,340,551.72 × 535,853.42
  4. Step 4: Simplify right side
    971,437.15x = 718,339,230,383.61
  5. Step 5: Solve for x
    x = 718,339,230,383.61/971,437.15
  6. Step 6: Final answer
    x = 739,460.32

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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.