Home / 672,705.57-927,579.51-549,816.59

Finding the Fourth Proportional to 672,705.57, 927,579.51 and 549,816.59

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Solution

The fourth proportional to 672,705.57, 927,579.51 and 549,816.59 is: 758,130.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    672,705.57 : 927,579.51 = 549,816.59 : x
  2. Step 2: Convert to fraction form
    672,705.57/927,579.51 = 549,816.59/x
  3. Step 3: Cross multiply
    672,705.57x = 927,579.51 × 549,816.59
  4. Step 4: Simplify right side
    672,705.57x = 509,998,605,461.02
  5. Step 5: Solve for x
    x = 509,998,605,461.02/672,705.57
  6. Step 6: Final answer
    x = 758,130.49

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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.