Home / 813,595.28-1,122,623.68-542,068.16

Finding the Fourth Proportional to 813,595.28, 1,122,623.68 and 542,068.16

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Solution

The fourth proportional to 813,595.28, 1,122,623.68 and 542,068.16 is: 747,962.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    813,595.28 : 1,122,623.68 = 542,068.16 : x
  2. Step 2: Convert to fraction form
    813,595.28/1,122,623.68 = 542,068.16/x
  3. Step 3: Cross multiply
    813,595.28x = 1,122,623.68 × 542,068.16
  4. Step 4: Simplify right side
    813,595.28x = 608,538,552,590.03
  5. Step 5: Solve for x
    x = 608,538,552,590.03/813,595.28
  6. Step 6: Final answer
    x = 747,962.25

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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.