Home / 858,308.02-1,184,386.83-509,388.25

Finding the Fourth Proportional to 858,308.02, 1,184,386.83 and 509,388.25

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Solution

The fourth proportional to 858,308.02, 1,184,386.83 and 509,388.25 is: 702,909.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,308.02 : 1,184,386.83 = 509,388.25 : x
  2. Step 2: Convert to fraction form
    858,308.02/1,184,386.83 = 509,388.25/x
  3. Step 3: Cross multiply
    858,308.02x = 1,184,386.83 × 509,388.25
  4. Step 4: Simplify right side
    858,308.02x = 603,312,734,656.75
  5. Step 5: Solve for x
    x = 603,312,734,656.75/858,308.02
  6. Step 6: Final answer
    x = 702,909.35

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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.