Home / 1,530,407.66-2,111,980.20-877,020.74

Finding the Fourth Proportional to 1,530,407.66, 2,111,980.20 and 877,020.74

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Solution

The fourth proportional to 1,530,407.66, 2,111,980.20 and 877,020.74 is: 1,210,298.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,407.66 : 2,111,980.20 = 877,020.74 : x
  2. Step 2: Convert to fraction form
    1,530,407.66/2,111,980.20 = 877,020.74/x
  3. Step 3: Cross multiply
    1,530,407.66x = 2,111,980.20 × 877,020.74
  4. Step 4: Simplify right side
    1,530,407.66x = 1,852,250,437,869.35
  5. Step 5: Solve for x
    x = 1,852,250,437,869.35/1,530,407.66
  6. Step 6: Final answer
    x = 1,210,298.72

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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.