Home / 459,534.72-634,214.88-258,330.72

Finding the Fourth Proportional to 459,534.72, 634,214.88 and 258,330.72

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Solution

The fourth proportional to 459,534.72, 634,214.88 and 258,330.72 is: 356,528.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,534.72 : 634,214.88 = 258,330.72 : x
  2. Step 2: Convert to fraction form
    459,534.72/634,214.88 = 258,330.72/x
  3. Step 3: Cross multiply
    459,534.72x = 634,214.88 × 258,330.72
  4. Step 4: Simplify right side
    459,534.72x = 163,837,186,585.11
  5. Step 5: Solve for x
    x = 163,837,186,585.11/459,534.72
  6. Step 6: Final answer
    x = 356,528.42

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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.