Home / 495,557.16-683,810.86-291,563.21

Finding the Fourth Proportional to 495,557.16, 683,810.86 and 291,563.21

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Solution

The fourth proportional to 495,557.16, 683,810.86 and 291,563.21 is: 402,323.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    495,557.16 : 683,810.86 = 291,563.21 : x
  2. Step 2: Convert to fraction form
    495,557.16/683,810.86 = 291,563.21/x
  3. Step 3: Cross multiply
    495,557.16x = 683,810.86 × 291,563.21
  4. Step 4: Simplify right side
    495,557.16x = 199,374,090,901.76
  5. Step 5: Solve for x
    x = 199,374,090,901.76/495,557.16
  6. Step 6: Final answer
    x = 402,323.10

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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.