Home / 771,688.64-1,064,931.18-432,156.90

Finding the Fourth Proportional to 771,688.64, 1,064,931.18 and 432,156.90

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Solution

The fourth proportional to 771,688.64, 1,064,931.18 and 432,156.90 is: 596,377.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,688.64 : 1,064,931.18 = 432,156.90 : x
  2. Step 2: Convert to fraction form
    771,688.64/1,064,931.18 = 432,156.90/x
  3. Step 3: Cross multiply
    771,688.64x = 1,064,931.18 × 432,156.90
  4. Step 4: Simplify right side
    771,688.64x = 460,217,357,462.14
  5. Step 5: Solve for x
    x = 460,217,357,462.14/771,688.64
  6. Step 6: Final answer
    x = 596,377.00

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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.