Home / 927,752.48-1,280,303.34-519,855.20

Finding the Fourth Proportional to 927,752.48, 1,280,303.34 and 519,855.20

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Solution

The fourth proportional to 927,752.48, 1,280,303.34 and 519,855.20 is: 717,402.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,752.48 : 1,280,303.34 = 519,855.20 : x
  2. Step 2: Convert to fraction form
    927,752.48/1,280,303.34 = 519,855.20/x
  3. Step 3: Cross multiply
    927,752.48x = 1,280,303.34 × 519,855.20
  4. Step 4: Simplify right side
    927,752.48x = 665,572,348,876.37
  5. Step 5: Solve for x
    x = 665,572,348,876.37/927,752.48
  6. Step 6: Final answer
    x = 717,402.93

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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.