Home / 776,127.36-1,071,045.12-436,595.20

Finding the Fourth Proportional to 776,127.36, 1,071,045.12 and 436,595.20

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Solution

The fourth proportional to 776,127.36, 1,071,045.12 and 436,595.20 is: 602,495.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    776,127.36 : 1,071,045.12 = 436,595.20 : x
  2. Step 2: Convert to fraction form
    776,127.36/1,071,045.12 = 436,595.20/x
  3. Step 3: Cross multiply
    776,127.36x = 1,071,045.12 × 436,595.20
  4. Step 4: Simplify right side
    776,127.36x = 467,613,158,375.42
  5. Step 5: Solve for x
    x = 467,613,158,375.42/776,127.36
  6. Step 6: Final answer
    x = 602,495.39

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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.