Home / 826,569.63-1,140,703.98-459,048.45

Finding the Fourth Proportional to 826,569.63, 1,140,703.98 and 459,048.45

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Solution

The fourth proportional to 826,569.63, 1,140,703.98 and 459,048.45 is: 633,507.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,569.63 : 1,140,703.98 = 459,048.45 : x
  2. Step 2: Convert to fraction form
    826,569.63/1,140,703.98 = 459,048.45/x
  3. Step 3: Cross multiply
    826,569.63x = 1,140,703.98 × 459,048.45
  4. Step 4: Simplify right side
    826,569.63x = 523,638,393,927.83
  5. Step 5: Solve for x
    x = 523,638,393,927.83/826,569.63
  6. Step 6: Final answer
    x = 633,507.90

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Double scale
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1.5x scale

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.