Home / 778,952.34-1,075,036.05-456,676.02

Finding the Fourth Proportional to 778,952.34, 1,075,036.05 and 456,676.02

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Solution

The fourth proportional to 778,952.34, 1,075,036.05 and 456,676.02 is: 630,260.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,952.34 : 1,075,036.05 = 456,676.02 : x
  2. Step 2: Convert to fraction form
    778,952.34/1,075,036.05 = 456,676.02/x
  3. Step 3: Cross multiply
    778,952.34x = 1,075,036.05 × 456,676.02
  4. Step 4: Simplify right side
    778,952.34x = 490,943,184,670.52
  5. Step 5: Solve for x
    x = 490,943,184,670.52/778,952.34
  6. Step 6: Final answer
    x = 630,260.88

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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.