Home / 515,271.24-710,714.52-497,930.76

Finding the Fourth Proportional to 515,271.24, 710,714.52 and 497,930.76

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Solution

The fourth proportional to 515,271.24, 710,714.52 and 497,930.76 is: 686,796.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,271.24 : 710,714.52 = 497,930.76 : x
  2. Step 2: Convert to fraction form
    515,271.24/710,714.52 = 497,930.76/x
  3. Step 3: Cross multiply
    515,271.24x = 710,714.52 × 497,930.76
  4. Step 4: Simplify right side
    515,271.24x = 353,886,621,086.64
  5. Step 5: Solve for x
    x = 353,886,621,086.64/515,271.24
  6. Step 6: Final answer
    x = 686,796.77

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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.