Home / 917,970.77-1,266,738.35-530,756.96

Finding the Fourth Proportional to 917,970.77, 1,266,738.35 and 530,756.96

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Solution

The fourth proportional to 917,970.77, 1,266,738.35 and 530,756.96 is: 732,409.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,970.77 : 1,266,738.35 = 530,756.96 : x
  2. Step 2: Convert to fraction form
    917,970.77/1,266,738.35 = 530,756.96/x
  3. Step 3: Cross multiply
    917,970.77x = 1,266,738.35 × 530,756.96
  4. Step 4: Simplify right side
    917,970.77x = 672,330,186,773.94
  5. Step 5: Solve for x
    x = 672,330,186,773.94/917,970.77
  6. Step 6: Final answer
    x = 732,409.14

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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.