Home / 1,657,561.91-2,486,096.51-459,359.28

Finding the Fourth Proportional to 1,657,561.91, 2,486,096.51 and 459,359.28

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Solution

The fourth proportional to 1,657,561.91, 2,486,096.51 and 459,359.28 is: 688,970.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,561.91 : 2,486,096.51 = 459,359.28 : x
  2. Step 2: Convert to fraction form
    1,657,561.91/2,486,096.51 = 459,359.28/x
  3. Step 3: Cross multiply
    1,657,561.91x = 2,486,096.51 × 459,359.28
  4. Step 4: Simplify right side
    1,657,561.91x = 1,142,011,500,547.32
  5. Step 5: Solve for x
    x = 1,142,011,500,547.32/1,657,561.91
  6. Step 6: Final answer
    x = 688,970.65

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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.