Home / 826,569.13-1,140,703.29-459,047.95

Finding the Fourth Proportional to 826,569.13, 1,140,703.29 and 459,047.95

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Solution

The fourth proportional to 826,569.13, 1,140,703.29 and 459,047.95 is: 633,507.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,569.13 : 1,140,703.29 = 459,047.95 : x
  2. Step 2: Convert to fraction form
    826,569.13/1,140,703.29 = 459,047.95/x
  3. Step 3: Cross multiply
    826,569.13x = 1,140,703.29 × 459,047.95
  4. Step 4: Simplify right side
    826,569.13x = 523,637,506,832.76
  5. Step 5: Solve for x
    x = 523,637,506,832.76/826,569.13
  6. Step 6: Final answer
    x = 633,507.21

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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.