Home / 979,417.95-1,351,596.78-549,698.07

Finding the Fourth Proportional to 979,417.95, 1,351,596.78 and 549,698.07

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Solution

The fourth proportional to 979,417.95, 1,351,596.78 and 549,698.07 is: 758,583.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,417.95 : 1,351,596.78 = 549,698.07 : x
  2. Step 2: Convert to fraction form
    979,417.95/1,351,596.78 = 549,698.07/x
  3. Step 3: Cross multiply
    979,417.95x = 1,351,596.78 × 549,698.07
  4. Step 4: Simplify right side
    979,417.95x = 742,970,141,384.22
  5. Step 5: Solve for x
    x = 742,970,141,384.22/979,417.95
  6. Step 6: Final answer
    x = 758,583.34

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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.