Home / 697,703.08-962,555.47-403,158.18

Finding the Fourth Proportional to 697,703.08, 962,555.47 and 403,158.18

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Solution

The fourth proportional to 697,703.08, 962,555.47 and 403,158.18 is: 556,199.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,703.08 : 962,555.47 = 403,158.18 : x
  2. Step 2: Convert to fraction form
    697,703.08/962,555.47 = 403,158.18/x
  3. Step 3: Cross multiply
    697,703.08x = 962,555.47 × 403,158.18
  4. Step 4: Simplify right side
    697,703.08x = 388,062,111,434.25
  5. Step 5: Solve for x
    x = 388,062,111,434.25/697,703.08
  6. Step 6: Final answer
    x = 556,199.51

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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.