Home / 626,547.60-939,821.40-153,226.80

Finding the Fourth Proportional to 626,547.60, 939,821.40 and 153,226.80

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Solution

The fourth proportional to 626,547.60, 939,821.40 and 153,226.80 is: 229,840.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,547.60 : 939,821.40 = 153,226.80 : x
  2. Step 2: Convert to fraction form
    626,547.60/939,821.40 = 153,226.80/x
  3. Step 3: Cross multiply
    626,547.60x = 939,821.40 × 153,226.80
  4. Step 4: Simplify right side
    626,547.60x = 144,005,825,693.52
  5. Step 5: Solve for x
    x = 144,005,825,693.52/626,547.60
  6. Step 6: Final answer
    x = 229,840.20

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.