Home / 785,875.53-1,084,035.65-479,812.17

Finding the Fourth Proportional to 785,875.53, 1,084,035.65 and 479,812.17

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Solution

The fourth proportional to 785,875.53, 1,084,035.65 and 479,812.17 is: 661,852.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,875.53 : 1,084,035.65 = 479,812.17 : x
  2. Step 2: Convert to fraction form
    785,875.53/1,084,035.65 = 479,812.17/x
  3. Step 3: Cross multiply
    785,875.53x = 1,084,035.65 × 479,812.17
  4. Step 4: Simplify right side
    785,875.53x = 520,133,495,184.80
  5. Step 5: Solve for x
    x = 520,133,495,184.80/785,875.53
  6. Step 6: Final answer
    x = 661,852.26

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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.