Home / 583,307.81-804,965.09-315,035.81

Finding the Fourth Proportional to 583,307.81, 804,965.09 and 315,035.81

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Solution

The fourth proportional to 583,307.81, 804,965.09 and 315,035.81 is: 434,749.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,307.81 : 804,965.09 = 315,035.81 : x
  2. Step 2: Convert to fraction form
    583,307.81/804,965.09 = 315,035.81/x
  3. Step 3: Cross multiply
    583,307.81x = 804,965.09 × 315,035.81
  4. Step 4: Simplify right side
    583,307.81x = 253,592,829,587.11
  5. Step 5: Solve for x
    x = 253,592,829,587.11/583,307.81
  6. Step 6: Final answer
    x = 434,749.59

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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.