Home / 1,134,531.63-1,565,653.96-618,285.72

Finding the Fourth Proportional to 1,134,531.63, 1,565,653.96 and 618,285.72

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Solution

The fourth proportional to 1,134,531.63, 1,565,653.96 and 618,285.72 is: 853,234.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,134,531.63 : 1,565,653.96 = 618,285.72 : x
  2. Step 2: Convert to fraction form
    1,134,531.63/1,565,653.96 = 618,285.72/x
  3. Step 3: Cross multiply
    1,134,531.63x = 1,565,653.96 × 618,285.72
  4. Step 4: Simplify right side
    1,134,531.63x = 968,021,492,573.51
  5. Step 5: Solve for x
    x = 968,021,492,573.51/1,134,531.63
  6. Step 6: Final answer
    x = 853,234.47

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Double scale
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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.