Home / 1,657,561.40-2,486,095.75-459,358.77

Finding the Fourth Proportional to 1,657,561.40, 2,486,095.75 and 459,358.77

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Solution

The fourth proportional to 1,657,561.40, 2,486,095.75 and 459,358.77 is: 688,969.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,561.40 : 2,486,095.75 = 459,358.77 : x
  2. Step 2: Convert to fraction form
    1,657,561.40/2,486,095.75 = 459,358.77/x
  3. Step 3: Cross multiply
    1,657,561.40x = 2,486,095.75 × 459,358.77
  4. Step 4: Simplify right side
    1,657,561.40x = 1,142,009,885,822.23
  5. Step 5: Solve for x
    x = 1,142,009,885,822.23/1,657,561.40
  6. Step 6: Final answer
    x = 688,969.88

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.