Home / 979,051.17-1,351,113.89-549,363.07

Finding the Fourth Proportional to 979,051.17, 1,351,113.89 and 549,363.07

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Solution

The fourth proportional to 979,051.17, 1,351,113.89 and 549,363.07 is: 758,134.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,051.17 : 1,351,113.89 = 549,363.07 : x
  2. Step 2: Convert to fraction form
    979,051.17/1,351,113.89 = 549,363.07/x
  3. Step 3: Cross multiply
    979,051.17x = 1,351,113.89 × 549,363.07
  4. Step 4: Simplify right side
    979,051.17x = 742,252,074,530.04
  5. Step 5: Solve for x
    x = 742,252,074,530.04/979,051.17
  6. Step 6: Final answer
    x = 758,134.10

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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.