Home / 858,678.04-1,185,031.02-496,117.36

Finding the Fourth Proportional to 858,678.04, 1,185,031.02 and 496,117.36

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Solution

The fourth proportional to 858,678.04, 1,185,031.02 and 496,117.36 is: 684,673.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,678.04 : 1,185,031.02 = 496,117.36 : x
  2. Step 2: Convert to fraction form
    858,678.04/1,185,031.02 = 496,117.36/x
  3. Step 3: Cross multiply
    858,678.04x = 1,185,031.02 × 496,117.36
  4. Step 4: Simplify right side
    858,678.04x = 587,914,461,160.51
  5. Step 5: Solve for x
    x = 587,914,461,160.51/858,678.04
  6. Step 6: Final answer
    x = 684,673.92

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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.