Home / 839,123.58-1,157,992-476,547.36

Finding the Fourth Proportional to 839,123.58, 1,157,992 and 476,547.36

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Solution

The fourth proportional to 839,123.58, 1,157,992 and 476,547.36 is: 657,636.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,123.58 : 1,157,992 = 476,547.36 : x
  2. Step 2: Convert to fraction form
    839,123.58/1,157,992 = 476,547.36/x
  3. Step 3: Cross multiply
    839,123.58x = 1,157,992 × 476,547.36
  4. Step 4: Simplify right side
    839,123.58x = 551,838,030,501.12
  5. Step 5: Solve for x
    x = 551,838,030,501.12/839,123.58
  6. Step 6: Final answer
    x = 657,636.19

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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.