Home / 839,117.04-1,158,011.28-476,530.80

Finding the Fourth Proportional to 839,117.04, 1,158,011.28 and 476,530.80

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Solution

The fourth proportional to 839,117.04, 1,158,011.28 and 476,530.80 is: 657,629.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,117.04 : 1,158,011.28 = 476,530.80 : x
  2. Step 2: Convert to fraction form
    839,117.04/1,158,011.28 = 476,530.80/x
  3. Step 3: Cross multiply
    839,117.04x = 1,158,011.28 × 476,530.80
  4. Step 4: Simplify right side
    839,117.04x = 551,828,041,667.42
  5. Step 5: Solve for x
    x = 551,828,041,667.42/839,117.04
  6. Step 6: Final answer
    x = 657,629.41

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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.