Home / 749,606.20-1,124,409.30-497,663.80

Finding the Fourth Proportional to 749,606.20, 1,124,409.30 and 497,663.80

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Solution

The fourth proportional to 749,606.20, 1,124,409.30 and 497,663.80 is: 746,495.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,606.20 : 1,124,409.30 = 497,663.80 : x
  2. Step 2: Convert to fraction form
    749,606.20/1,124,409.30 = 497,663.80/x
  3. Step 3: Cross multiply
    749,606.20x = 1,124,409.30 × 497,663.80
  4. Step 4: Simplify right side
    749,606.20x = 559,577,804,993.34
  5. Step 5: Solve for x
    x = 559,577,804,993.34/749,606.20
  6. Step 6: Final answer
    x = 746,495.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.