Home / 779,223.79-1,075,507.85-457,037.68

Finding the Fourth Proportional to 779,223.79, 1,075,507.85 and 457,037.68

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Solution

The fourth proportional to 779,223.79, 1,075,507.85 and 457,037.68 is: 630,817.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,223.79 : 1,075,507.85 = 457,037.68 : x
  2. Step 2: Convert to fraction form
    779,223.79/1,075,507.85 = 457,037.68/x
  3. Step 3: Cross multiply
    779,223.79x = 1,075,507.85 × 457,037.68
  4. Step 4: Simplify right side
    779,223.79x = 491,547,612,585.79
  5. Step 5: Solve for x
    x = 491,547,612,585.79/779,223.79
  6. Step 6: Final answer
    x = 630,817.00

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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.