Home / 583,821.24-805,673.10-315,549.24

Finding the Fourth Proportional to 583,821.24, 805,673.10 and 315,549.24

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Solution

The fourth proportional to 583,821.24, 805,673.10 and 315,549.24 is: 435,457.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,821.24 : 805,673.10 = 315,549.24 : x
  2. Step 2: Convert to fraction form
    583,821.24/805,673.10 = 315,549.24/x
  3. Step 3: Cross multiply
    583,821.24x = 805,673.10 × 315,549.24
  4. Step 4: Simplify right side
    583,821.24x = 254,229,534,393.44
  5. Step 5: Solve for x
    x = 254,229,534,393.44/583,821.24
  6. Step 6: Final answer
    x = 435,457.84

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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.