Home / 1,211,146.32-1,671,427.08-674,636.88

Finding the Fourth Proportional to 1,211,146.32, 1,671,427.08 and 674,636.88

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Solution

The fourth proportional to 1,211,146.32, 1,671,427.08 and 674,636.88 is: 931,024.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,211,146.32 : 1,671,427.08 = 674,636.88 : x
  2. Step 2: Convert to fraction form
    1,211,146.32/1,671,427.08 = 674,636.88/x
  3. Step 3: Cross multiply
    1,211,146.32x = 1,671,427.08 × 674,636.88
  4. Step 4: Simplify right side
    1,211,146.32x = 1,127,606,350,398.71
  5. Step 5: Solve for x
    x = 1,127,606,350,398.71/1,211,146.32
  6. Step 6: Final answer
    x = 931,024.05

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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.