Home / 1,262,543.02-1,742,259.03-711,245.88

Finding the Fourth Proportional to 1,262,543.02, 1,742,259.03 and 711,245.88

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Solution

The fourth proportional to 1,262,543.02, 1,742,259.03 and 711,245.88 is: 981,490.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,543.02 : 1,742,259.03 = 711,245.88 : x
  2. Step 2: Convert to fraction form
    1,262,543.02/1,742,259.03 = 711,245.88/x
  3. Step 3: Cross multiply
    1,262,543.02x = 1,742,259.03 × 711,245.88
  4. Step 4: Simplify right side
    1,262,543.02x = 1,239,174,563,513.77
  5. Step 5: Solve for x
    x = 1,239,174,563,513.77/1,262,543.02
  6. Step 6: Final answer
    x = 981,490.96

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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.