Home / 761,369.50-1,142,124.72-249,037.56

Finding the Fourth Proportional to 761,369.50, 1,142,124.72 and 249,037.56

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Solution

The fourth proportional to 761,369.50, 1,142,124.72 and 249,037.56 is: 373,579.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,369.50 : 1,142,124.72 = 249,037.56 : x
  2. Step 2: Convert to fraction form
    761,369.50/1,142,124.72 = 249,037.56/x
  3. Step 3: Cross multiply
    761,369.50x = 1,142,124.72 × 249,037.56
  4. Step 4: Simplify right side
    761,369.50x = 284,431,956,113.02
  5. Step 5: Solve for x
    x = 284,431,956,113.02/761,369.50
  6. Step 6: Final answer
    x = 373,579.39

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Half scale
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Double scale
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Similar ratio
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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.