Home / 556,210.20-767,585.19-314,528.93

Finding the Fourth Proportional to 556,210.20, 767,585.19 and 314,528.93

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Solution

The fourth proportional to 556,210.20, 767,585.19 and 314,528.93 is: 434,058.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,210.20 : 767,585.19 = 314,528.93 : x
  2. Step 2: Convert to fraction form
    556,210.20/767,585.19 = 314,528.93/x
  3. Step 3: Cross multiply
    556,210.20x = 767,585.19 × 314,528.93
  4. Step 4: Simplify right side
    556,210.20x = 241,427,744,656.62
  5. Step 5: Solve for x
    x = 241,427,744,656.62/556,210.20
  6. Step 6: Final answer
    x = 434,058.46

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Half scale
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Double scale
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Similar ratio
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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.