Home / 1,054,390.16-1,455,055.80-570,955.28

Finding the Fourth Proportional to 1,054,390.16, 1,455,055.80 and 570,955.28

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Solution

The fourth proportional to 1,054,390.16, 1,455,055.80 and 570,955.28 is: 787,916.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,390.16 : 1,455,055.80 = 570,955.28 : x
  2. Step 2: Convert to fraction form
    1,054,390.16/1,455,055.80 = 570,955.28/x
  3. Step 3: Cross multiply
    1,054,390.16x = 1,455,055.80 × 570,955.28
  4. Step 4: Simplify right side
    1,054,390.16x = 830,771,793,684.58
  5. Step 5: Solve for x
    x = 830,771,793,684.58/1,054,390.16
  6. Step 6: Final answer
    x = 787,916.87

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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.