Home / 910,189.14-1,253,108.79-716,254.98

Finding the Fourth Proportional to 910,189.14, 1,253,108.79 and 716,254.98

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Solution

The fourth proportional to 910,189.14, 1,253,108.79 and 716,254.98 is: 986,108.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,189.14 : 1,253,108.79 = 716,254.98 : x
  2. Step 2: Convert to fraction form
    910,189.14/1,253,108.79 = 716,254.98/x
  3. Step 3: Cross multiply
    910,189.14x = 1,253,108.79 × 716,254.98
  4. Step 4: Simplify right side
    910,189.14x = 897,545,411,319.27
  5. Step 5: Solve for x
    x = 897,545,411,319.27/910,189.14
  6. Step 6: Final answer
    x = 986,108.68

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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.