Home / 583,280.75-804,927.44-315,008.75

Finding the Fourth Proportional to 583,280.75, 804,927.44 and 315,008.75

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Solution

The fourth proportional to 583,280.75, 804,927.44 and 315,008.75 is: 434,712.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,280.75 : 804,927.44 = 315,008.75 : x
  2. Step 2: Convert to fraction form
    583,280.75/804,927.44 = 315,008.75/x
  3. Step 3: Cross multiply
    583,280.75x = 804,927.44 × 315,008.75
  4. Step 4: Simplify right side
    583,280.75x = 253,559,186,715.10
  5. Step 5: Solve for x
    x = 253,559,186,715.10/583,280.75
  6. Step 6: Final answer
    x = 434,712.08

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Half scale
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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.